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A361298
Second differences of the overpartitions.
0
1, 2, 2, 4, 6, 8, 12, 18, 24, 34, 48, 64, 88, 120, 158, 212, 282, 368, 484, 632, 816, 1056, 1360, 1738, 2220, 2826, 3576, 4520, 5696, 7144, 8948, 11176, 13908, 17280, 21414, 26460, 32638, 40168
OFFSET
2,2
FORMULA
a(n) = A015128(n)-2*A015128(n-1)+A015128(n-2).
CROSSREFS
Cf. A015128, A211971 (1st differences).
Sequence in context: A078578 A323446 A018129 * A091915 A123862 A089647
KEYWORD
nonn
AUTHOR
R. J. Mathar, Mar 08 2023
STATUS
approved