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 A055208 #17 Mar 05 2022 01:01:06 %S A055208 1,2,1,3,4,1,4,9,8,1,5,16,27,16,1,6,25,64,81,32,1,7,36,125,256,243,64, %T A055208 1,8,49,216,625,1024,729,128,1,9,64,343,1296,3125,4096,2187,256,1,1, %U A055208 81,512,2401,7776,15625,16384,6561,512,1,2,1,729,4096,16807,46656,78125 %N A055208 Table read by ascending antidiagonals: T(n,k) (n >= 1, k >= 1) is the sum of k-th powers of digits of n. %e A055208 T(34,2) = 3^2 + 4^2 = 25. %e A055208 From _Georg Fischer_, Mar 01 2022: (Start) %e A055208 Array T(n, k) (n >= 1, k >= 1) begins: %e A055208 1, 1, 1, 1, ... %e A055208 2, 4, 8, 16, ... %e A055208 3, 9, 27, 64, ... %e A055208 4, 16, 64, 256, ... %e A055208 ... %e A055208 (End) %Y A055208 Cf. A051128. Rows include A003132, A055012, A055013, A055014. Columns include A000012, A000079, A000244, A000302, A000351, A000400, A000420, A001018, A001019, A000012, A007395, A000051, A034472, A052539, A034474. %K A055208 base,easy,nonn,tabl %O A055208 1,2 %A A055208 _Henry Bottomley_, Jun 19 2000 %E A055208 Definition clarified by _Georg Fischer_, Mar 01 2022