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 A348995 #5 Nov 14 2021 23:53:41 %S A348995 1,4,8,9,16,25,32,49,64,121,128,169,256,289,361,512,529,841,961,1024, %T A348995 1369,1536,1681,1849,2048,2209,2809,3481,3721,4096,4489,5041,5329, %U A348995 6241,6889,7921,8192,9409,10201,10240,10609,11449,11881,12769,14080,16129,16384,17161,18769,19321,22201,22801,24649,26569,27889 %N A348995 Positions of ones in A347084, which is the Dirichlet inverse of (n + arithmetic derivative of n). %C A348995 The only terms in range 1 .. 2^20 that are not powers of primes are: 1536, 10240, 14080, 57344, 58880, 142848, 396800, 444416, 777728. %Y A348995 Cf. A003415, A129283, A347084. %K A348995 nonn %O A348995 1,2 %A A348995 _Antti Karttunen_, Nov 14 2021