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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 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..51. 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 Cf. A008288, A297193. Sequence in context: A280108 A299583 A013611 * A077910 A366399 A100235 Adjacent sequences: A297191 A297192 A297193 * A297195 A297196 A297197 KEYWORD nonn,easy,tabl AUTHOR N. J. A. Sloane, Jan 10 2018 STATUS approved

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Last modified December 6 03:00 EST 2023. Contains 367594 sequences. (Running on oeis4.)