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A249858
a(n) = A249857(n) - A249856(n).
4
0, 0, 0, 1, 0, 1, 2, 1, 2, 3, 0, 3, 4, 0, 4, 5, 1, 2, 6, 1, 5, 6, 3, 7, 8, 0, 8, 9, 0, 9, 10, 0, 5, 11, 1, 9, 12, 1, 6, 13, 2, 11, 14, 4, 14, 15, 2, 15, 12, 5, 16, 17, 3, 17, 18, 0, 18, 19, 0, 19, 20, 0, 19, 21, 1, 15, 22, 3, 17, 22, 4, 19, 24, 2, 21, 25, 3
OFFSET
1,7
PROG
(Haskell)
a249858 n = a249857 n - a249856 n
CROSSREFS
Sequence in context: A130070 A273516 A082501 * A249857 A317441 A249777
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 09 2014
STATUS
approved