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A216902 Smallest palindromic number of length 8 in two bases differing by n. 15
2727014580, 526323690, 342324801, 1125252600, 2373480208, 128982894600, 72514770528, 47794089850, 91641847675, 300187699944, 292567324441, 2529713006600, 342239511285, 1287696341932 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

See comments in A216840 and A216841.  Smaller of pair of bases are 17, 14, 12, 14, 15, 27, 23, 24, 24, 32, 28, 36, 30, 36. The other sequences of this collection are in the  A216*** cross-references, while the A171*** c-refs are various record multi-base palindromes.

LINKS

Table of n, a(n) for n=2..15.

EXAMPLE

The first term is 6AGAAGA6 when written in base 17 and is 30I66I03 when written in base 19 (with notation analogous to that used in hexadecimal, A=10, B=11, et cetera).

CROSSREFS

Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216899, A216900, A216901, A216903, A216904, A216905, A216906, A216907, A216908, A216909, A216910.

Sequence in context: A022230 A034648 A274816 * A327811 A327835 A295468

Adjacent sequences:  A216899 A216900 A216901 * A216903 A216904 A216905

KEYWORD

nonn,base

AUTHOR

James G. Merickel, Sep 19 2012

STATUS

approved

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Last modified July 26 02:10 EDT 2021. Contains 346294 sequences. (Running on oeis4.)