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 A239629 #9 Jun 27 2020 04:31:39 %S A239629 1,2,5,10,30,130,390,2730,13260,64090,192270,1345890,7113990,49797930, %T A239629 291673590,2041715130 %N A239629 Factored over the Gaussian integers, the least positive number having n prime factors, including units -1, i, and -i. %C A239629 Here -1, i, and -i are counted as factors. The factor 1 is counted only in a(1). %C A239629 Indices of records of A239627. - _Amiram Eldar_, Jun 27 2020 %t A239629 nn = 12; t = Table[0, {nn}]; n = 0; found = 0; While[found < nn, n++; cnt = Length[FactorInteger[n, GaussianIntegers -> True]]; If[cnt <= nn && t[[cnt]] == 0, t[[cnt]] = n; found++]]; t %Y A239629 Cf. A001221, A001222 (integer factorizations). %Y A239629 Cf. A078458, A086275 (Gaussian factorizations). %Y A239629 Cf. A239627 (number of Gaussian factors of n, including units). %Y A239629 Cf. A239628 (similar to this sequence, but count all prime factors). %Y A239629 Cf. A239630 (number of distinct factors, excluding units). %K A239629 nonn,more %O A239629 1,2 %A A239629 _T. D. Noe_, Mar 31 2014 %E A239629 a(14)-a(16) from _Amiram Eldar_, Jun 27 2020