login
A260895
Number of primes in n-th row of triangle A077664.
2
1, 2, 2, 3, 2, 6, 2, 5, 4, 7, 4, 10, 3, 8, 8, 9, 4, 13, 4, 11, 8, 11, 6, 15, 7, 13, 10, 15, 7, 24, 7, 13, 12, 16, 12, 23, 9, 18, 14, 22, 10, 29, 9, 20, 17, 20, 9, 28, 12, 25, 17, 23, 12, 31, 15, 26, 18, 24, 13, 44, 12, 24, 21, 25, 18, 43, 13, 28, 21, 39, 14
OFFSET
1,2
COMMENTS
a(n) = sum(A010051(A077664(n,k)): k = 1..n).
LINKS
PROG
(Haskell)
a260895 = sum . map a010051' . a077664_row
CROSSREFS
Sequence in context: A068903 A329607 A108499 * A107753 A197929 A326849
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Aug 03 2015
STATUS
approved