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A075057 a(1) = 0, then smallest triangular number such that a(n+1)- a(n) is a palindrome. 0
0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 78, 300, 946, 990, 1596, 2080, 2211, 3160, 3321, 3916, 13695, 14028, 17020, 34191, 34453, 38226, 38781, 82215, 83436, 87990, 102831, 103285, 156520, 208335, 208981, 283128, 291466, 382375, 442270, 508536 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..39.

EXAMPLE

78 follows 45 as 78-45 = 33.

CROSSREFS

Sequence in context: A277209 A089717 A050760 * A069792 A194153 A025737

Adjacent sequences:  A075054 A075055 A075056 * A075058 A075059 A075060

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 07 2002

EXTENSIONS

More terms from Jason Earls, Sep 09 2002

STATUS

approved

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Last modified October 22 14:49 EDT 2018. Contains 316488 sequences. (Running on oeis4.)