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!)
A100365 Prime numbers q such that q,q+1,q+2,q+3,q+4 have 2,4,8,16,32 divisors respectively. 1
1124581, 2101621, 2135701, 3829381, 5801701, 6097381, 6453541, 6535861, 6609781, 6799621, 6972661, 7055317, 7527061, 8281381, 8524981, 9412981, 9895141, 11455141, 11901781, 12043621, 12929941, 13749061, 14747701, 15504661 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

MATHEMATICA

Select[Prime[Range[1002000]], DivisorSigma[0, Range[0, 4]+#]=={2, 4, 8, 16, 32}&] (* Harvey P. Dale, Oct 04 2019 *)

CROSSREFS

Cf. A000005, A063446, A100363, A100364.

Sequence in context: A059767 A069583 A109209 * A234979 A233874 A084554

Adjacent sequences:  A100362 A100363 A100364 * A100366 A100367 A100368

KEYWORD

nonn

AUTHOR

Labos Elemer, Nov 19 2004

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 30 18:07 EDT 2020. Contains 334728 sequences. (Running on oeis4.)