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.
%I A374502 #15 Jul 14 2024 10:56:52 %S A374502 1,4750,1926049000,655578709500,9126464328696330 %N A374502 Hexagonal pyramidal numbers that are products of smaller hexagonal pyramidal numbers. %C A374502 a(6) > 10^19 (if it exists). - _Pontus von Brömssen_, Jul 14 2024 %e A374502 1 is a term because it is a hexagonal pyramidal number and equals the empty product. %e A374502 4750 is a term because it is a hexagonal pyramidal number and equals the product of the hexagonal pyramidal numbers 50 and 95. %e A374502 1926049000 is a term because it is a hexagonal pyramidal number and equals the product of the hexagonal pyramidal numbers 9500 and 202742. %e A374502 655578709500 is a term because it is a hexagonal pyramidal number and equals the product of the hexagonal pyramidal numbers 50, 31746, and 413015. %e A374502 9126464328696330 is a term because it is a hexagonal pyramidal number and equals the product of the hexagonal pyramidal numbers 413015 and 22097174022. %Y A374502 Row n=6 of A374498. %Y A374502 Cf. A002412, A374500, A374501. %K A374502 nonn,more %O A374502 1,2 %A A374502 _Pontus von Brömssen_, Jul 09 2024 %E A374502 a(5) from _Michael S. Branicky_, Jul 09 2024