Numbers k that divide the sum of the digits of 2^k * k!.
A108861
Numbers k that divide the sum of the digits of 2^k * k!.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =9a(6) =27a(7) =81a(8) =126a(9) =159a(10) =205a(11) =252a(12) =254a(13) =267a(14) =285a(15) =675a(16) =1053a(17) =1086a(18) =1125a(19) =1146a(20) =2007a(21) =5088a(22) =5382a(23) =5448a(24) =14652a(25) =23401a(26) =23574a(27) =24009a(28) =41004a(29) =66789
External references
- oeis: A108861