A236320 - OEIS

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A236320

Conjectured number of Sierpiński numbers less than 10^n.

3

0, 0, 0, 0, 1, 11, 69, 677, 6709

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OFFSET

1,6

LINKS

Table of n, a(n) for n=1..9.

Wikipedia, Sierpinski number

FORMULA

a(n) ~ A236321(n).

CROSSREFS

Cf. A076336, A236321, A237880.

Sequence in context: A293550 A182188 A099336 * A211050 A295074 A173200

Adjacent sequences: A236317 A236318 A236319 * A236321 A236322 A236323

KEYWORD

nonn,more

AUTHOR

Arkadiusz Wesolowski, Jan 22 2014

STATUS

approved