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A046260 Largest palindromic substring in 2^n. 2
1, 2, 4, 8, 6, 3, 6, 8, 6, 5, 4, 8, 9, 9, 8, 8, 55, 131, 262, 242, 8, 9, 9, 838, 777, 55, 88, 77, 545, 9, 737, 474, 949, 858, 717, 383, 767, 9, 77, 888, 777, 255552, 111, 222, 444, 888, 77, 3553, 767, 21312, 42624, 99, 737, 474, 9, 797, 575, 8558, 7117, 646, 606, 939 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..61.

EXAMPLE

2^41 = 2199023{255552}.

CROSSREFS

Cf. A047813, A046268.

Sequence in context: A103546 A321043 A080868 * A254065 A329455 A292808

Adjacent sequences:  A046257 A046258 A046259 * A046261 A046262 A046263

KEYWORD

nonn,base,easy

AUTHOR

Patrick De Geest, Jun 15 1998

STATUS

approved

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Last modified January 20 11:11 EST 2020. Contains 331083 sequences. (Running on oeis4.)