A279400 Row lengths of the irregular triangle A279399.

3, 3, 4, 5, 6, 6, 7, 7, 7, 10, 9, 9, 9, 10, 10, 10, 12, 12, 13, 13, 13, 14, 14, 14, 14, 16, 17, 16, 15, 17, 17, 16, 18, 19, 19, 19, 18, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23

Offset

1,1

Comments

a(n) is the number of primes of the smallest positive restricted residue system modulo A033949(n).

Links

Table of n, a(n) for n=1..50.

Crossrefs

Cf. A033949, A279399.

Sequence in context: A196592 A120180 A339412 * A063197 A327226 A011977

Adjacent sequences: A279397 A279398 A279399 * A279401 A279402 A279403

Keyword

nonn

Author

Wolfdieter Lang, Jan 25 2017

Status

approved