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 A349262 #6 Nov 12 2021 12:22:27 %S A349262 1,14,20,2,91,6850,2302,141,56014,184171,2800171,27805034,35297611, %T A349262 8313366182,1791416073,3618621410 %N A349262 a(n) is the start of the least run of exactly n consecutive numbers with the same value of A349258. %C A349262 a(17) > 10^11, if it exists. %e A349262 a(2) = 14 since A349258(14) = A349258(15) = 2, but A349258(13) != 2 and A349258(16) != 2. %t A349262 f[p_, e_] := 2^DigitCount[e, 2, 1] - 1; d[1] = 0; d[n_] := Plus @@ f @@@ FactorInteger[n]; seq[len_, nmax_] := Module[{s = Table[0, {len}], dprev = 0, n = 2, c = 1, k = 1}, s[[1]] = 1; While[k < len && n < nmax, d1 = d[n]; If[d1 == dprev, c++, If[c > 0 && c <= len && s[[c]] == 0, k++; s[[c]] = n - c]; c = 1]; n++; dprev = d1]; TakeWhile[s, # > 0 &]]; seq[8, 10^4] %Y A349262 Cf. A349258. %Y A349262 Similar sequences: A006558, A045983, A048932, A067813, A077657, A318166. %K A349262 nonn,more %O A349262 1,2 %A A349262 _Amiram Eldar_, Nov 12 2021