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 A358295 Triangle read by rows: T(n,k) = n^3*k*3*(n+k)^2, n>=1, 1 <= k <= n. 3
 4, 72, 1024, 432, 5400, 26244, 1600, 18432, 84672, 262144, 4500, 49000, 216000, 648000, 1562500, 10584, 110592, 472392, 1382400, 3267000, 6718464, 21952, 222264, 926100, 2656192, 6174000, 12520872, 23059204, 41472, 409600, 1672704, 4718592, 10816000, 21676032, 39513600, 67108864 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..36. Daniel Khoshnoudirad, Farey lines defining Farey diagrams and application to some discrete structures, Applicable Analysis and Discrete Mathematics, 9 (2015), 73-84; doi:10.2298/AADM150219008K. EXAMPLE The full array T(n,k), n>=0, k>=0, begins: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... 0, 4, 72, 432, 1600, 4500, 10584, 21952, 41472, ... 0, 72, 1024, 5400, 18432, 49000, 110592, 222264, ... 0, 432, 5400, 26244, 84672, 216000, 472392, 926100, ... 0, 1600, 18432, 84672, 262144, 648000, 1382400, ... 0, 4500, 49000, 216000, 648000, 1562500, 3267000, ... ... CROSSREFS Cf. A358292-A358294. Sequence in context: A066992 A165212 A263219 * A100521 A111868 A060645 Adjacent sequences: A358292 A358293 A358294 * A358296 A358297 A358298 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Dec 03 2022 STATUS approved

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Last modified December 11 09:49 EST 2023. Contains 367722 sequences. (Running on oeis4.)