a(n) = sum for all integer partitions of n of the difference between number of different parts and number of different multiplicities.

A373243

a(n) = sum for all integer partitions of n of the difference between number of different parts and number of different multiplicities.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =5a(6) =6a(7) =11a(8) =18a(9) =27a(10) =36a(11) =61a(12) =77a(13) =115a(14) =161a(15) =223a(16) =291a(17) =416a(18) =531a(19) =729a(20) =951a(21) =1256a(22) =1605a(23) =2132a(24) =2694a(25) =3491a(26) =4423a(27) =5659a(28) =7079a(29) =9027

External references