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.

A359094 a(n) is the smallest square pyramidal number divisible by exactly n square pyramidal numbers.

This page as a plain text file.
%I A359094 #11 Feb 16 2025 08:34:04
%S A359094 1,5,30,140,4900,155155,6930,223300,3573570,380380,340889640,1801800,
%T A359094 333833500,711410700,78963134250,427826509110,70836325560,
%U A359094 862289508080,62366724420,3975527876320,2279301054030,3422848288860,58264695188700,4903512426212400
%N A359094 a(n) is the smallest square pyramidal number divisible by exactly n square pyramidal numbers.
%H A359094 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SquarePyramidalNumber.html">Square Pyramidal Number</a>
%H A359094 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>
%e A359094 a(5) = 4900, because 4900 is a square pyramidal number that has 5 square pyramidal divisors {1, 5, 14, 140, 4900} and this is the smallest such number.
%Y A359094 Cf. A000330, A005179, A130279, A358543, A359095.
%K A359094 nonn
%O A359094 1,2
%A A359094 _Ilya Gutkovskiy_, Dec 16 2022
%E A359094 a(11)-a(24) from _Jon E. Schoenfield_, Dec 17 2022