The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A032135 "CFJ" (necklace, size, labeled) transform of 2,1,1,1... 1
 1, 2, 1, 7, 9, 21, 268, 491, 1893, 5809, 166476, 373275, 1812374, 8077317, 38851660, 1934306029, 5374689421, 30125069097, 152234643292, 991832638619, 5660219512530, 516732891172537, 1664067117563368 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Andrew Howroyd, Table of n, a(n) for n = 0..200 C. G. Bower, Transforms (2) PROG (PARI) seq(n)=[subst(serlaplace(p/y), y, 1) | p <- Vec(y-1+serlaplace((1 + 2*x*y)*prod(k=2, n, 1 + x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 12 2018 CROSSREFS Sequence in context: A026252 A032298 A032210 * A032039 A203991 A075118 Adjacent sequences:  A032132 A032133 A032134 * A032136 A032137 A032138 KEYWORD nonn AUTHOR EXTENSIONS a(0)=1 prepended by Andrew Howroyd, Sep 12 2018 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 May 30 17:35 EDT 2020. Contains 334728 sequences. (Running on oeis4.)