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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A100495 Number of partitions of n such that multiplicities of parts are all relatively prime to n. 0
1, 1, 2, 2, 6, 4, 14, 9, 22, 17, 55, 20, 100, 50, 103, 84, 296, 76, 489, 161, 456, 296, 1254, 230, 1664, 637, 1732, 831, 4564, 459, 6841, 1885, 5254, 2605, 10945, 1628, 21636, 5003, 15298, 5051, 44582, 3133, 63260, 11978, 31309, 16973, 124753, 8800, 154507 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

FORMULA

Coefficient of x^n in expansion of Product_{k=1..n} (1+Sum_{d: gcd(n, d)=1} x^(d*k)).

CROSSREFS

Cf. A057562.

Sequence in context: A054585 A190940 A046203 * A056463 A005992 A067045

Adjacent sequences:  A100492 A100493 A100494 * A100496 A100497 A100498

KEYWORD

easy,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 12 2005

EXTENSIONS

More terms from David Wasserman (dwasserm(AT)earthlink.net), Feb 28 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 05:45 EST 2012. Contains 205694 sequences.