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A196569 Binomial coefficients of the form C(n, 4) that is a concatenation of binomial coefficients of the form C(n, 4). 0

%I

%S 15,1001,12650,14950,387670507005

%N Binomial coefficients of the form C(n, 4) that is a concatenation of binomial coefficients of the form C(n, 4).

%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/1011.html">Problem of the month October 2011</a>

%e 15 = 1 & 5

%e 1001 = 1 & 0 & 0 & 1

%e 12650 = 126 & 5 & 0

%e 14950 = 1 & 495 & 0

%e 387670507005 = 3876 & 70 & 5 & 0 & 70 & 0 & 5

%K nonn,base,bref

%O 1,1

%A _Kausthub Gudipati_, Oct 04 2011

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Last modified October 18 13:47 EDT 2021. Contains 348068 sequences. (Running on oeis4.)