login
A068323
a(n)=number of arithmetic progressions of primes, nondecreasing with sum n.
4
0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 1, 3, 2, 3, 4, 3, 1, 4, 2, 4, 4, 4, 1, 5, 2, 4, 1, 4, 1, 6, 2, 3, 5, 5, 2, 6, 1, 3, 5, 5, 1, 7, 2, 5, 3, 5, 1, 7, 2, 6, 5, 5, 1, 7, 3, 6, 3, 5, 1, 9, 2, 4, 3, 6, 2, 9, 1, 4, 6, 8, 1, 8, 2, 6, 3, 7, 2, 10, 1, 7, 2, 6, 1, 11, 4, 6
OFFSET
1,5
CROSSREFS
Sequence in context: A330955 A330956 A190617 * A054990 A046921 A262954
KEYWORD
easy,nonn
AUTHOR
Naohiro Nomoto, Feb 27 2002
EXTENSIONS
More terms from Sean A. Irvine, Feb 09 2024
STATUS
approved