A152508 1/10 of the number of permutations of 4 indistinguishable copies of 1..n with exactly 6 local maxima.
0, 0, 42, 1836695, 10530242387, 29832986150825, 60695128902586540, 103817995457729295887, 161328267155502711433605, 237364194180589518867292325, 338385077937653019716292059598, 473635313924991038119333176290875, 655918703527056982804817522787817607
Offset: 1
Keywords
Links
- Andrew Howroyd, Table of n, a(n) for n = 1..200
Programs
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PARI
\\ PeaksBySig defined in A334774. a(n) = {PeaksBySig(vector(n,i,4), [5])[1]/10} \\ Andrew Howroyd, May 12 2020
Extensions
Terms a(8) and beyond from Andrew Howroyd, May 12 2020