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A294852 Number of compositions (ordered partitions) of 1 into exactly 4*n+1 powers of 1/5. 2
1, 1, 126, 90376, 216456376, 1303699790001, 16596702491586251, 396695587555058190126, 16336038155342083651640376, 1085776473843765315524916060126, 110656003660578876500875377620844376, 16592064238583710535773294961607940956876 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = [x^(5^n)] (Sum_{j=0..4*n+1} x^(5^j))^(4*n+1).
CROSSREFS
Column k=4 of A294746.
Sequence in context: A213405 A178189 A365026 * A078206 A025037 A281478
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 09 2017
STATUS
approved

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Last modified April 18 04:31 EDT 2024. Contains 371767 sequences. (Running on oeis4.)