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A086300 Arithmetic derivative of 7-smooth numbers. 0
0, 1, 1, 4, 1, 5, 1, 12, 6, 7, 16, 9, 8, 32, 21, 24, 10, 44, 10, 27, 32, 31, 80, 12, 60, 68, 41, 39, 112, 14, 45, 81, 92, 92, 51, 192, 59, 156, 55, 176, 108, 124, 123, 272, 77, 140, 71, 216, 240, 244, 75, 165, 448, 162, 188, 384, 91, 185, 432, 297, 332, 95, 336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

a(n) = A003415(A002473(n)).

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

Sequence in context: A328099 A003415 A302055 * A028271 A168066 A029666

Adjacent sequences:  A086297 A086298 A086299 * A086301 A086302 A086303

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 15 2003

STATUS

approved

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Last modified November 13 21:28 EST 2019. Contains 329106 sequences. (Running on oeis4.)