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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A222179 Numbers n such that 9n is a partition number. 11
15, 33, 88, 175, 1127, 3465, 7029, 36659, 1755164, 4900901, 537252430, 816292168, 1365815759, 2048921480, 11937573274, 14434878293, 17435497255, 27826547235, 169697066625, 371707331522, 405119159125, 800760189610, 23737435535625, 86561181062463, 100528900924040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

FORMULA

a(j) = A225360(j)/9.

EXAMPLE

15 is in the sequence because 9*15 = 135 and 135 is a partition number: p(14) = A000041(14) = 135.

MATHEMATICA

Select[PartitionsP[Range[300]], Mod[#, 9] == 0 &]/9 (* T. D. Noe, May 05 2013 *)

CROSSREFS

Cf. A000041, A213179, A213365, A216258, A217725, A217726, A222175, A222178, A225317, A225323, A225360.

Sequence in context: A277385 A108517 A211327 * A322493 A190052 A242243

Adjacent sequences:  A222176 A222177 A222178 * A222180 A222181 A222182

KEYWORD

nonn

AUTHOR

Omar E. Pol, May 05 2013

EXTENSIONS

a(6)-a(25) from R. J. Mathar, May 05 2013

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 18 14:52 EDT 2019. Contains 324213 sequences. (Running on oeis4.)