A215548 Number of standard Young tableaux of shape [8n,8].
0, 1430, 389367, 7152444, 58261125, 303719922, 1188576675, 3804949176, 10495906641, 25810820750, 57928578191, 120681823860, 236332181085, 439263172458, 780774342075, 1335176857200, 2207407644585, 3542395893894, 5536432537895, 8450810096300, 12628017047349
Offset: 0
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 0..1000
- Wikipedia, Young tableau
Crossrefs
Row n=8 of A214776.
Programs
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Maple
a:= n-> max(0, binomial(8*n+8,8)*(8*n-7)/(8*n+1)): seq(a(n), n=0..30);
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Mathematica
Join[{0},Table[(Binomial[8n+8,8](8n-7))/(8n+1),{n,20}]] (* Harvey P. Dale, Mar 17 2020 *)
Formula
G.f.: (7*x^8 -63*x^7 -9615*x^6 -572643*x^5 -4331133*x^4 -7786221*x^3 -3699621*x^2 -376497*x -1430)*x / (x-1)^9.
a(n) = C(8*n+8,8)*(8*n-7)/(8*n+1) for n>0, a(0) = 0.
Comments