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A264663
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Catalan numbers written in base 2.
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4
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1, 1, 10, 101, 1110, 101010, 10000100, 110101101, 10110010110, 1001011111110, 100000110011100, 1110010110100010, 110010110010001100, 10110101010111110100, 1010001100111100001000, 100100111110111001111101, 10000110111000001111100110, 111101110100011100011110110, 11100011110000011000000101100
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OFFSET
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0,3
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LINKS
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Eric Weisstein's World of Mathematics, Binary
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FORMULA
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MATHEMATICA
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Table[FromDigits[IntegerDigits[CatalanNumber[n], 2]], {n, 0, 18}]
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PROG
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(PARI) vector(30, n, n--; subst(Pol(binary(binomial(2*n, n)/(n+1))), 'x, 10)) \\ Altug Alkan, Nov 20 2015
(Magma) [Seqint(Intseq(Catalan(n), 2)): n in [0..20]]; // Vincenzo Librandi, Nov 21 2015
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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