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.

A036965 Record values of the product of the exponents in the prime factorization of highly powerful numbers (A005934).

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%I A036965 #22 Jul 08 2025 21:58:07
%S A036965 1,2,3,4,5,6,7,8,9,10,12,15,16,18,20,21,24,25,28,30,32,35,36,40,42,45,
%T A036965 48,50,54,56,60,63,64,72,75,84,90,96,105,108,112,120,126,128,135,140,
%U A036965 144,150,160,162,168,180,192,200,210,216,220,224,225,240,252,256,270
%N A036965 Record values of the product of the exponents in the prime factorization of highly powerful numbers (A005934).
%H A036965 Amiram Eldar, <a href="/A036965/b036965.txt">Table of n, a(n) for n = 1..609</a> (terms 1..300 from T. D. Noe)
%H A036965 G. E. Hardy and M. V. Subbarao, <a href="/A005934/a005934.pdf">Highly powerful numbers</a>, Congress. Numer., Vol. 37 (1983), pp. 277-307. (Annotated scanned copy)
%F A036965 a(n) = A005361(A005934(n)). - _Amiram Eldar_, May 13 2019
%t A036965 Union@ FoldList[Max, Array[Times @@ FactorInteger[#][[All, -1]] &, 10^7]] (* _Michael De Vlieger_, Oct 15 2017 *)
%Y A036965 Cf. A005361, A005934, A085629.
%K A036965 easy,nonn
%O A036965 1,2
%A A036965 _N. J. A. Sloane_
%E A036965 Reference gives an extensive table.
%E A036965 More terms from _Naohiro Nomoto_, Jul 25 2001