a(n) is the smallest positive integer m such that 2^n appears as the denominator of a convergent to sqrt(m).
A338308
a(n) is the smallest positive integer m such that 2^n appears as the denominator of a convergent to sqrt(m).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =15a(4) =61a(5) =32a(6) =159a(7) =94a(8) =393a(9) =1185a(10) =2321a(11) =717a(12) =13793a(13) =13591a(14) =18212a(15) =50915a(16) =41780a(17) =10445a(18) =246294a(19) =1566182a(20) =614515a(21) =1453153a(22) =4593605a(23) =12484235a(24) =16905922a(25) =5556569a(26) =58500158a(27) =265210068a(28) =66302517a(29) =293352098
External references
- oeis: A338308