A366788 a(n) = A366388(A163511(n)).

0, 0, 0, 1, 0, 2, 1, 2, 0, 3, 2, 4, 1, 3, 2, 1, 0, 4, 3, 6, 2, 5, 4, 2, 1, 4, 3, 3, 2, 2, 1, 3, 0, 5, 4, 8, 3, 7, 6, 3, 2, 6, 5, 4, 4, 3, 2, 6, 1, 5, 4, 5, 3, 4, 3, 4, 2, 3, 2, 5, 1, 4, 3, 2, 0, 6, 5, 10, 4, 9, 8, 4, 3, 8, 7, 5, 6, 4, 3, 9, 2, 7, 6, 6, 5, 5, 4, 7, 4, 4, 3, 8, 2, 7, 6, 4, 1, 6, 5, 7, 4, 6, 5, 5, 3, 5

Offset

0,6

Links

Antti Karttunen, Table of n, a(n) for n = 0..65537

Index entries for sequences related to binary expansion of n

Index entries for sequences related to Matula-Goebel numbers

Prog

(PARI)
A163511(n) = if(!n, 1, my(p=2, t=1); while(n>1, if(!(n%2), (t*=p), p=nextprime(1+p)); n >>= 1); (t*p));
A366388(n) = if(n<=2, 0, if(isprime(n), 1+A366388(primepi(n)), my(f=factor(n)); (apply(A366388, f[, 1])~ * f[, 2])));
A366788(n) = A366388(A163511(n));

Crossrefs

Cf. A163511, A366388, A366791.

Cf. also A334204, A365385.

Sequence in context: A055941 A347696 A365385 * A290537 A272569 A344788

Adjacent sequences: A366785 A366786 A366787 * A366789 A366790 A366791

Keyword

nonn

Author

Antti Karttunen, Oct 23 2023

Status

approved