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A143813 a(n)= 1, A120070. Triangle on-line. First differences of a(n): 2, 5, -3, 10, -3, -5 =A133128. Then the sequence is full: 1, 3, 5, 7, 9, 11, 13 =A005408 can be separated from (or associated to) triangle 8, 15, 12, 24, 21, 16 . +0
2
1, 3, 8, 5, 15, 12, 7, 24, 21, 16, 9, 35, 32, 27, 20, 11, 48, 45, 33, 24, 13, 63, 60, 55, 48, 39, 28, 15, 80, 77, 72, 65, 56, 45, 32, 17, 99, 96, 91, 84, 75, 64, 51, 36, 19, 120, 117, 112, 105, 96, 85, 72, 57, 40, 21 (list; graph; listen)
OFFSET

1,2

COMMENT

Interest for physicists? Triangle: 1; 3, 8; 5, 15, 12; 7, 24, 21, 16;

CROSSREFS

Sequence in context: A050093 A120072 A166492 this_sequence A120070 A143753 A121164

Adjacent sequences: A143810 A143811 A143812 this_sequence A143814 A143815 A143816

KEYWORD

nonn,uned

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Sep 02 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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