A157351 - OEIS

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A157351

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

1

0, 0, 3, 4, 15, 6, 49, 40, 72, 70, 220, 60, 299, 350, 390, 416, 578, 468, 931, 1000, 1281, 1320, 2001, 1008, 2225, 2028, 2808, 2464, 2755, 1410, 5146, 3648, 4950, 3978, 6125, 4536, 7030, 9500, 9789, 9640, 11480, 6552, 12599, 12188, 12555, 12236, 19364

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OFFSET

1,3

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

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

PROG

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

CROSSREFS

Sequence in context: A258468 A327275 A343939 * A071167 A194924 A205489

Adjacent sequences: A157348 A157349 A157350 * A157352 A157353 A157354

KEYWORD

nonn

AUTHOR

Klaus Brockhaus, May 29 2009

STATUS

approved