login
A129801
Triangle read by rows in which row m (m>=0) gives the numbers 2*m*n + 1 for n = 0, ..., m.
0
1, 1, 3, 1, 5, 9, 1, 7, 13, 19, 1, 9, 17, 25, 33, 1, 11, 21, 31, 41, 51, 1, 13, 25, 37, 49, 61, 73, 1, 15, 29, 43, 57, 71, 85, 99, 1, 17, 33, 49, 65, 81, 97, 113, 129, 1, 19, 37, 55, 73, 91, 109, 127, 145, 163, 1, 21, 41, 61, 81, 101, 121, 141, 161, 181, 201
OFFSET
1,3
COMMENTS
Row sums are given by A053698 = n^3 + n^2 + n + 1.
EXAMPLE
1; 1,3; 1,5,9; 1,7,13,19; 1,9,17,25,33; ...
CROSSREFS
Cf. A053698.
Sequence in context: A306780 A209996 A340804 * A240222 A193702 A193710
KEYWORD
nonn,tabl
AUTHOR
Roger L. Bagula, May 18 2007
EXTENSIONS
Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, May 20 2007
STATUS
approved