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A055208 Table read by ascending antidiagonals: T(n,k) (n >= 1, k >= 1) is the sum of k-th powers of digits of n. 0

%I #17 Mar 05 2022 01:01:06

%S 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 1,8,49,216,625,1024,729,128,1,9,64,343,1296,3125,4096,2187,256,1,1,

%U 81,512,2401,7776,15625,16384,6561,512,1,2,1,729,4096,16807,46656,78125

%N Table read by ascending antidiagonals: T(n,k) (n >= 1, k >= 1) is the sum of k-th powers of digits of n.

%e T(34,2) = 3^2 + 4^2 = 25.

%e From _Georg Fischer_, Mar 01 2022: (Start)

%e Array T(n, k) (n >= 1, k >= 1) begins:

%e 1, 1, 1, 1, ...

%e 2, 4, 8, 16, ...

%e 3, 9, 27, 64, ...

%e 4, 16, 64, 256, ...

%e ...

%e (End)

%Y 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 base,easy,nonn,tabl

%O 1,2

%A _Henry Bottomley_, Jun 19 2000

%E Definition clarified by _Georg Fischer_, Mar 01 2022

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Last modified June 4 10:52 EDT 2024. Contains 373094 sequences. (Running on oeis4.)