1,4

Antti Karttunen, Table of n, a(n) for n = 1..10000

Antti Karttunen, Data supplement: n, a(n) computed for n = 1..65537

Index entries for sequences computed from indices in prime factorization

a(n) = A000265(A331595(n)).

(PARI) A331731(n) = A000265(A331595(n));

Cf. A122111, A241909, A331595, A331600.

Cf. also A322865, A331732.

Sequence in context: A103790 A249947 A193583 * A309891 A317937 A322436

Adjacent sequences: A331728 A331729 A331730 * A331732 A331733 A331734

nonn

Antti Karttunen, Jan 25 2020

approved