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A234869
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3*binomial(11*n+3,n)/(11*n+3).
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9
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1, 3, 36, 595, 11385, 237006, 5212064, 119126865, 2801765835, 67365151700, 1648369018296, 40914062713953, 1027625691201200, 26069631471224820, 667024542735629400, 17193066926119888716, 446028709678732029135, 11636873606948476550895
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OFFSET
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0,2
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COMMENTS
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Fuss-Catalan sequence is a(n,p,r) = r*binomial(np+r,n)/(np+r), this is the case p=11, r=3.
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LINKS
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FORMULA
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G.f. satisfies: B(x) = {1 + x*B(x)^(p/r)}^r, with p=11, r=3.
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MATHEMATICA
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Table[3 Binomial[11 n + 3, n]/(11 n + 3), {n, 0, 30}] (* Vincenzo Librandi, Jan 01 2014 *)
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PROG
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(PARI) a(n) = 3*binomial(11*n+3, n)/(11*n+3);
(PARI) {a(n)=local(B=1); for(i=0, n, B=(1+x*B^(11/3))^3+x*O(x^n)); polcoeff(B, n)}
(Magma) [3*Binomial(11*n+3, n)/(11*n+3): n in [0..30]]; // Vincenzo Librandi, Jan 01 2014
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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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