A157351 - OEIS

%I #3 Sep 08 2022 08:45:41

%S 0,0,3,4,15,6,49,40,72,70,220,60,299,350,390,416,578,468,931,1000,

%T 1281,1320,2001,1008,2225,2028,2808,2464,2755,1410,5146,3648,4950,

%U 3978,6125,4536,7030,9500,9789,9640,11480,6552,12599,12188,12555,12236,19364

%N Row sums of triangle T(j,k) = (j^k) mod (j*k) for 1 <= k <= j (see A096133).

%e Seventh row is 0, 7, 7, 21, 7, 7, 0, so a(7) = 49.

%o (Magma) [ &+[ (j^k) mod (j*k): k in [1..j] ]: j in [1..47] ];

%Y Cf. A096133.

%K nonn

%O 1,3

%A _Klaus Brockhaus_, May 29 2009