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A263069
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Number of lattice paths from {n}^9 to {0}^9 using steps that decrement one or more components by one.
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2
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1, 7087261, 4659168491711401, 7687300579969605991710001, 19133358944433370977791260580721121, 60169662022264019813634467045726478557798101, 220079308019032269943223432841210561656944209845808241, 894709632166224106718347951886305028154659386016685862593012481
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) ~ sqrt(c) * d^n / (Pi*n)^4, where d = 7400694480.0494436216324852038000444393262965328... and c = 0.0365684849906610318536810681059888603001404... . - Vaclav Kotesovec, Mar 23 2016
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MATHEMATICA
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With[{k = 9}, Table[Sum[Sum[(-1)^i*Binomial[j, i]*Binomial[j - i, n]^k, {i, 0, j}], {j, 0, k*n}], {n, 0, 10}]] (* Vaclav Kotesovec, Mar 22 2016 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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