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

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A294704 Expansion of Product_{k>=1} (1 - k^k*x^k)^(k^k). 4
 1, -1, -16, -713, -64711, -9688521, -2165724176, -675843638952, -280752881225790, -149800127712465769, -99844730464906330029, -81300082264515781043363, -79413710307214816810372248, -91652445696245266803423194130 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..214 FORMULA a(0) = 1 and a(n) = -(1/n) * Sum_{k=1..n} A294773(k)*a(n-k) for n > 0. a(n) ~ -n^(2*n). - Vaclav Kotesovec, Nov 09 2017 MATHEMATICA nmax = 20; CoefficientList[Series[Product[(1 - k^k*x^k)^(k^k), {k, 1, nmax}], {x, 0, nmax}], x] PROG (PARI) N=20; x='x+O('x^N); Vec(prod(k=1, N, (1-k^k*x^k)^k^k)) CROSSREFS Column k=1 of A294699. Cf. A294757, A294773. Sequence in context: A123824 A198283 A283534 * A264114 A356482 A201622 Adjacent sequences: A294701 A294702 A294703 * A294705 A294706 A294707 KEYWORD sign AUTHOR Seiichi Manyama, Nov 07 2017 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.

Last modified November 28 21:06 EST 2022. Contains 358421 sequences. (Running on oeis4.)