A350786 a(n) is the number of divisors of A061799(n).

1, 2, 3, 4, 6, 6, 8, 8, 9, 10, 12, 12, 16, 16, 16, 16, 18, 18, 20, 20, 24, 24, 24, 24, 30, 30, 30, 30, 30, 30, 32, 32, 36, 36, 36, 36, 40, 40, 40, 40, 48, 48, 48, 48, 48, 48, 48, 48, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 64, 64, 64, 64, 72, 72, 72, 72, 72, 72, 72, 72

Offset

1,2

Comments

a(n) is the smallest term of A002183 that is >= n.

Links

Table of n, a(n) for n=1..72.

Formula

a(n) = A000005(A061799(n)).

Example

a(5) = 6 because A061799(5) = 12 has 6 divisors.

Prog

(PARI) for(n=1, 100, my(s=n); while(numdiv(s)<n, s++); print1(numdiv(s), ", ")); \\ Michel Marcus, Jul 07 2022

Crossrefs

Cf. A000005, A061799, A002183.

Sequence in context: A362813 A367964 A214965 * A134361 A142727 A347388

Adjacent sequences: A350783 A350784 A350785 * A350787 A350788 A350789

Keyword

nonn

Author

J. Lowell, Jul 07 2022

Status

approved