cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A126993 a(n) = binomial(prime(n+3), prime(n)).

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%I A126993 #9 Sep 08 2022 08:45:29
%S A126993 21,165,1287,19448,75582,1144066,51895935,141120525,6107086800,
%T A126993 7898654920,15338678264,5178066751,266783135710,109712808959985,
%U A126993 22512762077400,97862516286480,12802736917880,18385569737808
%N A126993 a(n) = binomial(prime(n+3), prime(n)).
%H A126993 G. C. Greubel, <a href="/A126993/b126993.txt">Table of n, a(n) for n = 1..1000</a>
%t A126993 Table[Binomial[Prime[n+3], Prime[n]], {x, 1, 20}]
%o A126993 (PARI) vector(20, n, binomial(prime(n+3), prime(n))) \\ _G. C. Greubel_, May 29 2019
%o A126993 (Magma) [Binomial(NthPrime(n+3), NthPrime(n)): n in [1..20]]; // _G. C. Greubel_, May 29 2019
%o A126993 (Sage) [binomial(nth_prime(n+3), nth_prime(n)) for n in (1..20)] # _G. C. Greubel_, May 29 2019
%Y A126993 Cf. A058077, A125550, A126994, A126995, A126996, A126997, A126998.
%K A126993 nonn
%O A126993 1,1
%A A126993 _Artur Jasinski_, Jan 01 2007