Difference between sum of largest parts and sum of smallest parts of all partitions of n into an even number of parts.
A211881
Difference between sum of largest parts and sum of smallest parts of all partitions of n into an even number of parts.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =5a(6) =9a(7) =16a(8) =26a(9) =41a(10) =65a(11) =95a(12) =142a(13) =202a(14) =293a(15) =403a(16) =568a(17) =766a(18) =1054a(19) =1399a(20) =1886a(21) =2469a(22) =3276a(23) =4237a(24) =5538a(25) =7094a(26) =9162a(27) =11628a(28) =14856a(29) =18704
External references
- oeis: A211881