A348769 Number of divisors of A031160(n).

2, 4, 4, 6, 6, 6, 4, 8, 4, 8, 4, 6, 12, 6, 14, 12, 6, 12, 8, 8, 8, 6, 4, 12, 12, 16, 12, 12, 16, 4, 6, 18, 12, 8, 8, 20, 4, 8, 4, 20, 10, 4, 6, 4, 14, 16, 4, 8, 8, 8, 16, 4, 6, 8, 6, 6, 4, 6, 8, 4, 16, 8, 6, 8, 16, 12, 6, 8, 8, 18, 8, 18, 6, 12, 8, 4, 8, 8, 12

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Formula

a(n) = A000005(A031160(n)). - Omar E. Pol, Feb 12 2022

Crossrefs

Cf. A000005, A031160, A348770, A348772.

Suggested by A078574.

Sequence in context: A074325 A058249 A340226 * A058043 A251546 A282894

Adjacent sequences: A348766 A348767 A348768 * A348770 A348771 A348772

Keyword

nonn

Author

N. J. A. Sloane, Nov 06 2021, following an email discussion with Robert C. Lyons.

Extensions

More terms from Amiram Eldar, Feb 12 2022

Status

approved