Sum of the third largest parts in the partitions of n into 7 parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =1a(9) =2a(10) =4a(11) =7a(12) =11a(13) =19a(14) =28a(15) =42a(16) =61a(17) =88a(18) =121a(19) =171a(20) =228a(21) =307a(22) =405a(23) =531a(24) =682a(25) =880a(26) =1111a(27) =1403a(28) =1750a(29) =2174