A328515 Number of primes in permutations of digits per permutation class of the positive integers ordered by smallest member of this class excluding leading zeros.

0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 2, 1, 0, 1, 2, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 2, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 1, 0, 1, 3, 0, 1, 0, 0, 2, 2, 0, 0, 2, 2, 0, 2, 2, 0, 2, 1, 0, 3, 3, 0, 2, 0, 1, 2, 0, 0, 4, 0, 0, 3, 0, 0

Offset

0,14

Comments

Primitive sequence of A039999.

Links

David A. Corneth, Table of n, a(n) for n = 0..9999

Example

A179239(67) = 103. Its permutations of digits without leading zeros are 103, 130, 301, 310. Of these, only 103 is prime which is one number. So a(67) = 1.

Crossrefs

Cf. A039999, A166921, A179239.

Sequence in context: A170958 A178651 A046810 * A356682 A323989 A262988

Adjacent sequences: A328512 A328513 A328514 * A328516 A328517 A328518

Keyword

nonn,base

Author

David A. Corneth, Oct 18 2019

Status

approved