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A057959 Sum of composite numbers up to n is palindromic. +0
2
4, 34, 36, 215, 258, 288, 1711, 2785, 3708, 4572, 4873, 18986, 29509, 42005, 45534, 234272, 411232, 2074123, 2225480, 2841251, 3728941, 4590401, 17643216, 72349270, 176262062, 219311147, 426454179, 444875288, 1457527586 (list; graph; listen)
OFFSET

1,1

COMMENT

Sequence is 4 + 6 + 8 + 9 + 10 + 12 + ... + n.

LINKS

P. De Geest, Palindromic Sums

C. Rivera, PrimePuzzle 89

CROSSREFS

Cf. A002808, A002113, A053779, A053780.

Sequence in context: A058153 A020197 A102959 this_sequence A053902 A054464 A002101

Adjacent sequences: A057956 A057957 A057958 this_sequence A057960 A057961 A057962

KEYWORD

base,nonn

AUTHOR

G. L. Honaker, Jr. (honak3r(AT)gmail.com) and Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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