login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A077063 Squarefree kernel of prime(n) - 1. 2
1, 2, 2, 6, 10, 6, 2, 6, 22, 14, 30, 6, 10, 42, 46, 26, 58, 30, 66, 70, 6, 78, 82, 22, 6, 10, 102, 106, 6, 14, 42, 130, 34, 138, 74, 30, 78, 6, 166, 86, 178, 30, 190, 6, 14, 66, 210, 222, 226, 114, 58, 238, 30, 10, 2, 262, 134, 30, 138, 70, 282, 146, 102, 310, 78, 158 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

a(A077064(n)) = A077064(n).

FORMULA

a(n) = A007947(A006093(n)).

EXAMPLE

a(25) = sfk(prime(25)-1) = sfk(97-1) = sfk(3*2^5) = 6.

CROSSREFS

Cf. A077066.

Sequence in context: A034805 A192659 A051765 * A081728 A197218 A080460

Adjacent sequences:  A077060 A077061 A077062 * A077064 A077065 A077066

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 23 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 03:45 EST 2012. Contains 205978 sequences.