a(0)=1. a(n) = sum of the earlier terms which are divisible by (the number of 1's in the binary representation of n).
A123757
a(0)=1. a(n) = sum of the earlier terms which are divisible by (the number of 1's in the binary representation of n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =10a(6) =20a(7) =6a(8) =48a(9) =94a(10) =188a(11) =60a(12) =436a(13) =120a(14) =240a(15) =1112a(16) =2346a(17) =4690a(18) =9380a(19) =2826a(20) =21586a(21) =5652a(22) =11304a(23) =28560a(24) =88688a(25) =51168a(26) =102336a(27) =299312a(28) =204672a(29) =803296
External references
- oeis: A123757