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A297194
Left-hand half of triangle A297193.
1
1, 1, 4, 1, 8, 17, 1, 12, 49, 80, 1, 16, 97, 280, 401, 1, 20, 161, 672, 1569, 2084, 1, 24, 241, 1320, 4321, 8752, 11073, 1, 28, 337, 2288, 9681, 26684, 48833, 59712, 1, 32, 449, 3640, 18929, 66376, 160929, 272976, 325441, 1, 36, 577, 5440, 33601, 143444, 435681
OFFSET
0,3
EXAMPLE
Triangle begins:
1,
1,4,
1,8,17,
1,12,49,80,
1,16,97,280,401,
1,20,161,672,1569,2084,
...
MAPLE
seq(seq(A297193(n, k), k=0..n), n=0..10) ; # R. J. Mathar, Mar 04 2018
CROSSREFS
Sequence in context: A280108 A299583 A013611 * A077910 A366399 A100235
KEYWORD
nonn,easy,tabl
AUTHOR
N. J. A. Sloane, Jan 10 2018
STATUS
approved