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A237272
Number of overcompositions of n that contain at least two parts in increasing order and that contain at least one overlined part.
2
0, 0, 0, 3, 9, 27, 83, 211, 522, 1222, 2874, 6496, 14593, 32185, 70423, 153024, 330195, 708933, 1514821, 3224134, 6836547, 14455648, 30475210, 64096487, 134493519, 281642590, 588642240, 1228160742, 2558300338, 5321065857, 11051923912, 22925167566
OFFSET
0,4
COMMENTS
Number of overcompositions of n minus the number of overpartitions of n plus the number of partitions of n minus the number of compositions of n.
FORMULA
a(n) = A236002(n) - A015128(n) + A000041(n) - A011782(n) = A236002(n) - A230441(n) - A011782(n) = A237045(n) - A056823(n).
KEYWORD
nonn
AUTHOR
Omar E. Pol, Feb 09 2014
STATUS
approved