This site is supported by donations to The OEIS Foundation.

 Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A098988 Denominators in series expansion of log( Product_{m=1,oo} (1+q^m) ). 3
 1, 1, 2, 3, 4, 5, 3, 7, 8, 9, 5, 11, 3, 13, 7, 5, 16, 17, 18, 19, 10, 21, 11, 23, 6, 25, 13, 27, 7, 29, 5, 31, 32, 11, 17, 35, 36, 37, 19, 39, 20, 41, 21, 43, 11, 15, 23, 47, 12, 49, 50, 17, 26, 53, 27, 55, 7, 57, 29, 59, 5, 61, 31, 63, 64, 65, 11, 67, 34, 23, 35, 71, 72, 73, 37, 75, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS EXAMPLE q+1/2*q^2+4/3*q^3+1/4*q^4+6/5*q^5+2/3*q^6+8/7*q^7+1/8*q^8+13/9*q^9 CROSSREFS Cf. A098987. Sequence in context: A294650 A053585 A305007 * A274346 A034699 A217434 Adjacent sequences:  A098985 A098986 A098987 * A098989 A098990 A098991 KEYWORD nonn,frac AUTHOR N. J. A. Sloane, Oct 24 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.

Last modified December 12 18:24 EST 2018. Contains 318081 sequences. (Running on oeis4.)