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A056148 a(0) = 1, a(n) = number of a(k), for 0 <= k <= n-1, that divide n. 0
1, 1, 2, 2, 4, 2, 5, 2, 7, 2, 8, 2, 9, 2, 10, 3, 11, 2, 12, 2, 14, 4, 12, 2, 18, 3, 12, 5, 16, 2, 18, 2, 18, 5, 14, 6, 26, 2, 15, 4, 23, 2, 22, 2, 22, 9, 18, 2, 29, 3, 22, 5, 22, 2, 29, 7, 27, 5, 21, 2, 37, 2, 21, 11, 26, 7, 31, 2, 25, 6, 33, 2, 41, 2, 25, 13, 27, 7, 32, 2, 36, 9, 26, 2, 45 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..84.

EXAMPLE

a(6) = 5 because a(0), a(1), a(2), a(3) and a(5) divide 6.

CROSSREFS

Sequence in context: A140773 A133911 A069932 * A304442 A057567 A217895

Adjacent sequences:  A056145 A056146 A056147 * A056149 A056150 A056151

KEYWORD

easy,nonn

AUTHOR

Leroy Quet, Aug 04 2000

STATUS

approved

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)