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 A294851 Number of compositions (ordered partitions) of 1 into exactly 3*n+1 powers of 1/4. 2
 1, 1, 35, 4245, 1239823, 709097481, 701954099115, 1104353764428365, 2594884910993019575, 8684483842898500680225, 39880061006390454401626995, 243797643642188511890409843525, 1935230187172759446730224649089055, 19533122859042054951154895127392582265 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..165 FORMULA a(n) = [x^(4^n)] (Sum_{j=0..3*n+1} x^(4^j))^(3*n+1). a(n) ~ c * d^n * n^(3*n + 3/2), where d = 0.228881755274644937676549309..., c = 3.08458888791535695636629... - Vaclav Kotesovec, Sep 20 2019 CROSSREFS Column k=3 of A294746. Sequence in context: A213404 A249887 A210314 * A266053 A115963 A212024 Adjacent sequences: A294848 A294849 A294850 * A294852 A294853 A294854 KEYWORD nonn AUTHOR Alois P. Heinz, Nov 09 2017 STATUS approved

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Last modified April 13 10:11 EDT 2024. Contains 371640 sequences. (Running on oeis4.)