a(n) = minimal value of A215244(k) for 2^n <= k < 2^(n+1).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =9a(7) =13a(8) =20a(9) =29a(10) =42a(11) =65a(12) =95a(13) =136a(14) =212a(15) =308a(16) =444a(17) =687a(18) =1005a(19) =1439a(20) =2242a(21) =3257a(22) =4696a(23) =7266a(24) =10629a(25) =15219