Sum of binary ranks of all integer partitions of n, where the binary rank of a partition y is given by Sum_i 2^(y_i-1).

A372890

Sum of binary ranks of all integer partitions of n, where the binary rank of a partition y is given by Sum_i 2^(y_i-1).

Terms

    a(0) =0a(1) =1a(2) =4a(3) =10a(4) =25a(5) =52a(6) =115a(7) =228a(8) =471a(9) =931a(10) =1871a(11) =3687a(12) =7373a(13) =14572a(14) =29049a(15) =57694a(16) =115058a(17) =229101a(18) =457392a(19) =912469a(20) =1822945a(21) =3640998a(22) =7277426a(23) =14544436a(24) =29079423a(25) =58137188a(26) =116254386a(27) =232465342a(28) =464889800a(29) =929691662

External references