A053780 Palindromes arising in A053779.

4, 434, 505, 18781, 27072, 33633, 1254521, 3360633, 5989895, 9145419, 10411401, 161101161, 390949093, 795303597, 935424539, 25127372152, 77753535777, 1997671767991, 2300809080032, 3754911194573, 6476856586746, 9825337335289

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: A369395 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