Antidiagonal sums of square table A112564 of generalized Flavius Josephus sieves.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =19a(5) =43a(6) =88a(7) =207a(8) =423a(9) =951a(10) =2094a(11) =4511a(12) =9445a(13) =22025a(14) =45172a(15) =93483a(16) =205101a(17) =435515a(18) =882322a(19) =1983637a(20) =3983429a(21) =8659805a(22) =17928712a(23) =36742421a(24) =76317521a(25) =163095069a(26) =331056988a(27) =693360803a(28) =1444266731