Sum of the second largest parts s of the partitions of n into 4 parts q,r,s,t such that 1 <= q <= r <= s <= t and q + r + s > t.
A340248
Sum of the second largest parts s of the partitions of n into 4 parts q,r,s,t such that 1 <= q <= r <= s <= t and q + r + s > t.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =2a(6) =4a(7) =7a(8) =10a(9) =15a(10) =22a(11) =29a(12) =42a(13) =51a(14) =71a(15) =87a(16) =116a(17) =132a(18) =177a(19) =201a(20) =259a(21) =289a(22) =368a(23) =404a(24) =508a(25) =550a(26) =681a(27) =738a(28) =900a(29) =959
External references
- oeis: A340248