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A053780 Palindromes arising in A053779. 4
4, 434, 505, 18781, 27072, 33633, 1254521, 3360633, 5989895, 9145419, 10411401, 161101161, 390949093, 795303597, 935424539, 25127372152, 77753535777, 1997671767991, 2300809080032, 3754911194573, 6476856586746, 9825337335289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(8)=3360633 coincides with A171706(3) and A171741(6) (and see a(6)=33633 here).

Also, note that A029965 ran just short of the OEIS space limitation, possibly affecting discovery.

LINKS

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

P. De Geest, Palindromic Sums

C. Rivera, PrimePuzzle 89

CROSSREFS

Cf. A002808, A002113, A053779, A171706, A171741, A029965, A029966.

Sequence in context: A264469 A172858 A125760 * A159514 A217269 A034985

Adjacent sequences:  A053777 A053778 A053779 * A053781 A053782 A053783

KEYWORD

base,nonn

AUTHOR

G. L. Honaker, Jr., Mar 29 2000

EXTENSIONS

More terms from Patrick De Geest, Nov 15 2000

STATUS

approved

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Last modified November 23 21:51 EST 2020. Contains 338603 sequences. (Running on oeis4.)