A064698 Number of values of s from 1 to n such that A064683(s) is divisible by s.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 5, 0, 2, 2, 15, 0, 1, 18, 1, 20, 3, 11, 1, 0, 0, 4, 9, 4, 1, 30, 2, 0, 16, 2, 5, 0, 12, 2, 6, 40, 8, 7, 2, 22, 45, 2, 1, 0, 1, 50, 3, 0, 4, 18, 27, 0, 3, 2, 1, 60, 1, 4, 10, 0, 10, 33, 2, 4, 3, 70, 2, 0, 9, 24

Offset

1,2

Links

Table of n, a(n) for n=1..74.

Crossrefs

Sequence in context: A320109 A278062 A254597 * A373593 A320117 A319996

Adjacent sequences: A064695 A064696 A064697 * A064699 A064700 A064701

Keyword

nonn

Author

Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 10 2001

Extensions

a(74) corrected by Sean A. Irvine, Jul 23 2023

Status

approved