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!)
A064576 First differences of A064573. 5
1, 1, 2, 1, 3, 1, 4, 2, 5, 1, 8, 1, 7, 3, 10, 1, 13, 1, 15, 4, 15, 1, 23, 2, 21, 5, 27, 1, 33, 1, 36, 6, 37, 3, 53, 1, 47, 8, 62, 1, 68, 1, 75, 11, 75, 1, 103, 2, 97, 10, 115, 1, 126, 4, 142, 13, 141, 1, 181, 1, 167, 17, 202, 4, 218, 1, 239, 16, 243, 1, 302, 1, 285, 22, 331, 3, 349 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Apparently a(n)=1 when n+1 is prime.

LINKS

Table of n, a(n) for n=1..77.

CROSSREFS

A064572, A064573, A064574, A064575, A064577, A028422.

Sequence in context: A055440 A250028 A101279 * A322390 A113308 A325332

Adjacent sequences:  A064573 A064574 A064575 * A064577 A064578 A064579

KEYWORD

easy,nonn

AUTHOR

Marc LeBrun, Sep 20 2001

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 May 8 02:26 EDT 2021. Contains 343652 sequences. (Running on oeis4.)