A093898 Triangle read by rows: T(n,r) = n^r + r^n (1 <= r <= n).

2, 3, 8, 4, 17, 54, 5, 32, 145, 512, 6, 57, 368, 1649, 6250, 7, 100, 945, 5392, 23401, 93312, 8, 177, 2530, 18785, 94932, 397585, 1647086, 9, 320, 7073, 69632, 423393, 1941760, 7861953, 33554432, 10, 593, 20412, 268705, 2012174, 10609137, 45136576

Offset

1,1

Links

Table of n, a(n) for n=1..43.

Example

2,
3, 8,
4, 17, 54,
5, 32, 145, 512,
6, 57, 368, 1649, 6250,
7, 100, 945, 5392, 23401, 93312,

Maple

T:=(n, r)->n^r+r^n: for n from 1 to 10 do seq(T(n, r), r=1..n) od; # yields sequence in triangular form # Emeric Deutsch, Feb 04 2006

Mathematica

Flatten[Table[n^r+r^n, {n, 10}, {r, n}]] (* Harvey P. Dale, Jun 19 2011 *)

Crossrefs

Same information as A055652. - Franklin T. Adams-Watters, Oct 26 2009

Sequence in context: A098514 A161198 A195232 * A194931 A195248 A229870

Adjacent sequences: A093895 A093896 A093897 * A093899 A093900 A093901

Keyword

nonn,tabl

Author

Amarnath Murthy, Apr 23 2004

Extensions

More terms from Emeric Deutsch, Feb 04 2006

Status

approved