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A226487 First available increasing palindromes (A002113) found in the decimal expansion of the number e-2 (A001113). 1
7, 8, 818, 2662, 9669, 39193, 94349, 99699, 985589, 988890, 5065605, 6609066, 7193917, 7390937, 8316138, 43488434, 563303365, 799929997, 1149559411, 68088588086, 85367376358, 208532235802, 991964469199 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The entry 988890 is actually 0988890.

LINKS

Table of n, a(n) for n=1..23.

MATHEMATICA

e = RealDigits[E-2, 10, 2500000][[1]]; palQ[n_] := n == Reverse[n]; mx = 0; k = 1;   While[k < 1000000, j = 1; While[j <= k, If[ palQ[ Take[ e, {j, k}]], p = FromDigits[ Take[e, {j, k}]]; If[p > mx, mx = p; Print[p]; e = Drop[e, k]; k = 0; Break[]]]; j++]; k++]

CROSSREFS

Cf. A001113, A226486.

Sequence in context: A042093 A042499 A156206 * A202283 A104757 A199392

Adjacent sequences:  A226484 A226485 A226486 * A226488 A226489 A226490

KEYWORD

nonn,base

AUTHOR

Patrick De Geest & Robert G. Wilson v, Jun 09 2013

STATUS

approved

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Last modified March 30 20:18 EDT 2017. Contains 284302 sequences.