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A173310
Partial sums of A005470.
0
1, 2, 4, 8, 19, 52, 194, 1016, 7982, 87835, 1228751, 19909759
OFFSET
0,2
FORMULA
a(n) = Sum_{i=0..n} A005470(i).
CROSSREFS
Cf. A005470.
Sequence in context: A100133 A099598 A269023 * A320178 A128816 A006897
KEYWORD
hard,nonn
AUTHOR
Jonathan Vos Post, Feb 16 2010
STATUS
approved