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 A361965 Total number of peaks in 3-Fuss-skew paths of semilength n 1
 4, 96, 2672, 78848, 2400896, 74568704, 2347934464, 74675511296, 2393372833792, 77176031297536, 2500887165493248, 81372026697351168, 2656708513978580992, 86992366046604165120, 2855701159218522030080, 93950313500933860884480, 3096866628586659248603136 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..17. Toufik Mansour, Jose Luis Ramirez, Enumration of Fuss-skew paths, Ann. Math. Inform. 55 (2022) 125-136, table 2, l=3. MAPLE FussSkewP := proc(l, n) local a, j, k ; a := 0 ; for j from 0 to n do a := a+sum( binomial(n, j) *binomial(j, k) *binomial(n*(l-1), n-2*j+k-1) * 2^(n*(l-2)+2*j-k+1)*3^(k-1)*(3*(n-j)+k), k=0..j) ; end do: a/n ; end proc: seq(FussSkewP(3, n), n=1..40) ; CROSSREFS Cf. A026378 (1-Fuss-skew), A361964 (2-Fuss-skew) Sequence in context: A267953 A206645 A267907 * A221148 A317664 A062779 Adjacent sequences: A361962 A361963 A361964 * A361966 A361967 A361968 KEYWORD nonn,easy AUTHOR R. J. Mathar, Mar 31 2023 STATUS approved

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Last modified August 14 07:07 EDT 2024. Contains 375146 sequences. (Running on oeis4.)