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A054969 Palindromic hexagonal numbers. 1
1, 6, 66, 3003, 5995, 15051, 66066, 617716, 828828, 1269621, 1680861, 5073705, 5676765, 1264114621, 5289009825, 6172882716, 13953435931, 1313207023131, 5250178710525, 6874200024786, 61728399382716, 602224464422206 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Cf. A054970.

Sequence in context: A259123 A292026 A126459 * A068966 A063039 A082781

Adjacent sequences:  A054966 A054967 A054968 * A054970 A054971 A054972

KEYWORD

nonn,base

AUTHOR

Jeff Heleen, May 26 2000

STATUS

approved

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Last modified November 17 21:07 EST 2018. Contains 317278 sequences. (Running on oeis4.)