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A250217 Numbers k such that A085398(k) sets a new record value. 1
1, 11, 18, 23, 25, 37, 68, 113, 115, 179, 229, 421, 545, 1129, 1451, 1481 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Record values at positions A085398(a(n)): {3, 5, 6, 10, 22, 61, 85, 86, 268, 304, 606, 808, ...}. - Michael De Vlieger, May 20 2017

LINKS

Table of n, a(n) for n=1..16.

MATHEMATICA

Function[s, Function[t, Map[Position[s, #][[1, 1]] &, t]]@ Union@ FoldList[Max, s]]@ Table[k = 2; While[! PrimeQ[Cyclotomic[n, k]], k++]; k, {n, 500}] (* Michael De Vlieger, May 20 2017, after Eric Chen at A085398 *)

CROSSREFS

Cf. A085398, A250218.

Sequence in context: A095648 A273679 A250192 * A151748 A003334 A037006

Adjacent sequences:  A250214 A250215 A250216 * A250218 A250219 A250220

KEYWORD

nonn,more

AUTHOR

Eric Chen, Dec 24 2014

EXTENSIONS

Corrected by insertion of 421. - Robert G. Wilson v, May 19 2017

STATUS

approved

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Last modified March 30 22:55 EDT 2020. Contains 333132 sequences. (Running on oeis4.)