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!)
A046272 Largest prime substring in 6^n (0 if none). 2
0, 0, 3, 2, 29, 7, 5, 7993, 67961, 769, 604661, 2797, 78233, 1306069, 783641, 7018498457, 2821109, 692665944473, 66841, 609359, 4400629, 21936950640377, 16217038422671, 3022305360281, 73838133832161689, 992970137, 170581728179 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..26.

CROSSREFS

Cf. A046264.

Sequence in context: A300955 A343130 A065353 * A054676 A181994 A154332

Adjacent sequences:  A046269 A046270 A046271 * A046273 A046274 A046275

KEYWORD

nonn

AUTHOR

Patrick De Geest, Jun 15 1998

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 June 17 13:12 EDT 2021. Contains 345080 sequences. (Running on oeis4.)