login

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 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A294857
Number of compositions (ordered partitions) of 1 into exactly 9*n+1 powers of 1/10.
2
1, 1, 92378, 638048716305, 79376343363731999772, 87451065686506297464527100009, 556054452693724489326948624520266970011, 15314213846343665104211951568419481838710411193512, 1486749321998795158270268184508036244709339593298119460028356
OFFSET
0,3
LINKS
FORMULA
a(n) = [x^(10^n)] (Sum_{j=0..9*n+1} x^(10^j))^(9*n+1).
CROSSREFS
Column k=9 of A294746.
Sequence in context: A194722 A140932 A208623 * A025042 A182657 A251069
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 09 2017
STATUS
approved