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A028571 Palindromes of form n(n+9). 0
0, 22, 252, 2332, 20002, 26062, 29392, 63736, 68886, 2701072, 2783872, 2884882, 29122192, 253080352, 289050982, 25661316652, 237776677732, 2393677763932, 215331808133512, 218759969957812, 225588939885522 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..21.

P. De Geest, Palindromic Quasipronics of the form n(n+x)

CROSSREFS

Sequence in context: A161521 A161900 A162364 * A162679 A010974 A022587

Adjacent sequences:  A028568 A028569 A028570 * A028572 A028573 A028574

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified January 22 22:38 EST 2018. Contains 298093 sequences.