A086296 Euler's totient of 7-smooth numbers.

1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 4, 6, 8, 8, 6, 8, 12, 8, 20, 18, 12, 8, 16, 24, 12, 16, 12, 24, 16, 42, 20, 18, 24, 16, 36, 32, 24, 24, 40, 32, 54, 24, 24, 32, 42, 40, 48, 36, 48, 32, 100, 36, 64, 72, 48, 48, 84, 40, 64, 54, 48, 120, 48, 108, 64, 84, 80, 48, 72, 96, 120

Offset

1,3

Links

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

Formula

a(n) = A000010(A002473(n)).

Crossrefs

Cf. A000010, A002473.

Sequence in context: A077651 A004085 A293482 * A096504 A277906 A290077

Adjacent sequences: A086293 A086294 A086295 * A086297 A086298 A086299

Keyword

nonn

Author

Reinhard Zumkeller, Jul 15 2003

Status

approved