login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A086296 Euler's totient of 7-smooth numbers. 1
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 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 21:27 EDT 2021. Contains 348217 sequences. (Running on oeis4.)