A373175 -id:A373175

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A373176

Expansion of e.g.f. 2*exp(sqrt(2*x+1)-1)/(2-sqrt(2*x+1))^3.

+10
1

2, 8, 30, 122, 548, 2802, 15638, 100760, 661242, 5519558, 36021212, 495019758, 944742290, 96695115272, -1151063332242, 46492769525882, -1177828529162332, 39211350154011570, -1272035779868081338, 45289997660347946648, -1679496857400789295638, 65976928289858329056518

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..21.

Y. Alp and E. G. Kocer, Exponential Almost-Riordan Arrays, Results Math 79, 173 (2024). See page 24.

MATHEMATICA

a[n_]:=n!SeriesCoefficient[2Exp[Sqrt[2x+1]-1]/(2-Sqrt[2x+1])^3, {x, 0, n}]; Array[a, 22, 0]

CROSSREFS

Cf. A000806, A330797, A373175.

KEYWORD

sign

AUTHOR

Stefano Spezia, May 26 2024

STATUS

approved

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