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.

A062875 Records in A046112 (or A006339).

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%I A062875 #16 Feb 16 2025 08:32:45
%S A062875 1,5,25,125,3125,15625,390625,1953125,48828125,6103515625,30517578125,
%T A062875 3814697265625,95367431640625,476837158203125,11920928955078125,
%U A062875 1490116119384765625,186264514923095703125,931322574615478515625,116415321826934814453125
%N A062875 Records in A046112 (or A006339).
%C A062875 A111333 gives where records occur in A046112; A102781 gives where records occur in A006339.
%H A062875 Ray Chandler, <a href="/A062875/b062875.txt">Table of n, a(n) for n = 1..416</a> (a(417) exceeds 1000 digits).
%H A062875 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CircleLatticePoints.html">Circle Lattice Points</a>
%F A062875 a(n) = A046112(A111333(n)) = A006339(A102781(n)).
%F A062875 a(n) = 5^(A111333(n)-1) = 5^A102781(n).
%o A062875 (Python)
%o A062875 from sympy import prime
%o A062875 def A062875(n): return 5**(prime(n)-1>>1) # _Chai Wah Wu_, Aug 02 2024
%Y A062875 Cf. A006339, A046112, A062876, A102781, A111333.
%K A062875 nonn
%O A062875 1,2
%A A062875 _Eric W. Weisstein_
%E A062875 Edited and extended by _Ray Chandler_, Jan 05 2012