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A239037 a(n) = prime digit in A092621(n). 1
2, 3, 5, 7, 3, 7, 2, 3, 3, 7, 5, 7, 7, 7, 3, 7, 3, 7, 3, 3, 3, 5, 3, 7, 7, 3, 7, 2, 2, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 7, 7, 7, 5, 5, 5, 5, 7, 3, 7, 3, 3, 7, 5, 3, 7, 7, 7, 7, 7, 2, 2, 3, 5, 3, 3, 7, 7, 2, 7, 7, 7, 3, 7, 3, 2, 3, 3, 5, 3, 7, 3, 7, 3, 7, 2, 5, 3, 7, 7, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 2, 3, 7, 5, 5, 7, 3, 7, 3, 5, 5, 7, 3, 2, 3, 7, 3, 7, 7, 7, 7, 3, 7, 7, 7, 7, 7, 3, 3, 5, 7, 7, 3, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

From first 12000 terms, numbers of 2s, 3s, 5s, and 7s are:  2308, 3729, 2267, 3696. Note that numbers of 2s and 5s are very close to each other, and the same is for numbers of 3s and 7s.

LINKS

Table of n, a(n) for n=1..150.

CROSSREFS

Cf. A092621

Sequence in context: A156208 A239695 A073034 * A126050 A163821 A156294

Adjacent sequences:  A239034 A239035 A239036 * A239038 A239039 A239040

KEYWORD

nonn,base

AUTHOR

Zak Seidov, Mar 09 2014

STATUS

approved

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Last modified October 16 11:11 EDT 2019. Contains 328056 sequences. (Running on oeis4.)