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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A285218 Indices of primes in A001156. 2
4, 5, 6, 7, 8, 12, 21, 25, 28, 32, 34, 36, 44, 51, 58, 68, 71, 73, 76, 84, 85, 105, 117, 131, 132, 148, 150, 160, 162, 163, 170, 172, 188, 190, 216, 226, 233, 249, 252, 253, 264, 273, 284, 307, 338, 356, 358, 372, 378, 383, 390, 424, 435, 449, 456, 468, 479 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vaclav Kotesovec, Table of n, a(n) for n = 1..2119

EXAMPLE

51 is in the sequence because A001156(51) = 107 is prime.

CROSSREFS

Cf. A001156, A046063.

Sequence in context: A213525 A047567 A050038 * A059709 A071623 A274552

Adjacent sequences:  A285215 A285216 A285217 * A285219 A285220 A285221

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Apr 14 2017

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 January 23 07:07 EST 2020. Contains 331168 sequences. (Running on oeis4.)