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A046276 Largest palindromic substring in n! without an initial zero. 2
1, 1, 2, 6, 4, 2, 7, 5, 4, 88, 88, 99, 9, 22, 87178, 767, 898, 55, 737, 121, 66, 909, 7777, 25852, 484, 1551, 66, 8888, 888, 93739, 848, 82228, 353, 881188, 414, 6666, 999, 59795, 1111, 99, 69596, 61316, 4260624, 383, 8448, 7337, 89498, 979, 67776, 828 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

T. D. Noe, Table of n, a(n) for n = 0..300

EXAMPLE

14! = {87178}291200.

MATHEMATICA

isPal[d_List] := d[[1]] != 0 && d == Reverse[d]; Table[d = IntegerDigits[n!]; k = Length[d]; While[s = Select[Partition[d, k, 1], isPal]; s == {}, k--]; Max[FromDigits /@ s], {n, 0, 100}] (* T. D. Noe, Mar 25 2011 *)

CROSSREFS

Cf. A046277.

Sequence in context: A008904 A074382 A061350 * A283614 A003571 A068457

Adjacent sequences:  A046273 A046274 A046275 * A046277 A046278 A046279

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998.

EXTENSIONS

Corrected by D. S. McNeil, Dec 10 2010

STATUS

approved

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Last modified September 20 16:14 EDT 2017. Contains 292276 sequences.