login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A058356 Coefficients in the series (1 + 2x^2 + 3x^3 + 5x^5 + 7x^7 + 11x^11 + 13x^13 + ... )/(1 - x - 4x^4 - 6x^6 - 8x^8 - 9x^9 - 10x^10 - 12x^12 - 14x^14 - ... ). 0
1, 1, 3, 6, 10, 19, 37, 74, 140, 269, 520, 1026, 1984, 3831, 7368, 14302, 27707, 53729, 103826, 201035, 389094, 753858, 1458852, 2824336, 5466167, 10584567, 20489682, 39669401, 76787404, 148660956, 287786132, 557153147, 1078562051, 2088027468 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
CoefficientList[ Series[ (1 + Apply[ Plus, Select[ Range[ 2, 50 ], PrimeQ[ # ] & ]*x^Select[ Range[ 2, 50 ], PrimeQ[ # ] & ] ] ) / (1 - Apply[ Plus, Select[ Range[ 1, 50 ], !PrimeQ[ # ] & ]*x^Select[ Range[ 1, 50 ], !PrimeQ[ # ] & ] ] ), {x, 0, 40} ], x ]
CROSSREFS
Sequence in context: A017991 A065614 A183324 * A270048 A295719 A178850
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Dec 16 2000
EXTENSIONS
Name corrected by Sean A. Irvine, Aug 04 2022
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)