Sum of the second 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) =3a(10) =5a(11) =10a(12) =15a(13) =27a(14) =39a(15) =61a(16) =87a(17) =128a(18) =175a(19) =249a(20) =331a(21) =450a(22) =590a(23) =779a(24) =998a(25) =1292a(26) =1628a(27) =2063a(28) =2567a(29) =3198