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Search: id:A079257
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| A079257 |
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a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is a triangular number". |
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+0
3
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| 0, 1, 4, 5, 6, 10, 15, 16, 17, 18, 21, 22, 23, 24, 25, 28, 36, 45, 55, 56, 57, 66, 78, 91, 105, 120, 121, 122, 136, 137, 138, 139, 140, 141, 142, 143, 153, 154, 155, 156, 157, 158, 159, 160, 161, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 190, 210, 231
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence, J. Integer Seqs., Vol. 6 (2003), #03.2.2.
B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence (math.NT/0305308)
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CROSSREFS
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See A079000, A079253, A079254, A079256, A079258 for similar sequences.
Sequence in context: A143833 A066501 A114439 this_sequence A001609 A101590 A057916
Adjacent sequences: A079254 A079255 A079256 this_sequence A079258 A079259 A079260
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com) and Matthew Vandermast (ghodges14(AT)comcast.net), Feb 04 2003
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