|
| |
|
|
A032217
|
|
"DFK" (bracelet, size, unlabeled) transform of 1,3,5,7...
|
|
1
|
|
|
|
1, 1, 3, 8, 12, 31, 56, 107, 168, 372, 830, 1302, 2527, 4370, 9478, 25268, 38655, 72876, 133073, 238255, 477957, 1357657, 1967349, 3747310, 6374674, 11569115, 19219719, 38342864, 104469668, 150682797, 276855048
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,3
|
|
|
LINKS
|
Andrew Howroyd, Table of n, a(n) for n = 0..1000
C. G. Bower, Transforms (2)
|
|
|
PROG
|
(PARI) seq(n)={apply(p->subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2, Vec(y-1+prod(k=1, n, 1 + (2*k-1)*x^k*y + O(x*x^n))))} \\ Andrew Howroyd, Jun 21 2018
|
|
|
CROSSREFS
|
Sequence in context: A178720 A027292 A032304 * A032142 A032046 A247396
Adjacent sequences: A032214 A032215 A032216 * A032218 A032219 A032220
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Christian G. Bower
|
|
|
EXTENSIONS
|
a(0)=1 prepended by Andrew Howroyd, Jun 21 2018
|
|
|
STATUS
|
approved
|
| |
|
|
