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 A229565 T(n,k) = number of arrays of length n that are sums of k consecutive elements of length n+k-1 permutations of 0..n+k-2. 10
 1, 1, 2, 1, 6, 6, 1, 12, 16, 24, 1, 20, 96, 120, 120, 1, 30, 264, 304, 648, 720, 1, 42, 524, 2904, 4416, 5040, 5040, 1, 56, 920, 9120, 9968, 38520, 38592, 40320, 1, 72, 1484, 20272, 133616, 257136, 302400, 362880, 362880, 1, 90, 2216, 38176, 431328, 465984 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Table starts ......1.......1........1........1........1.......1......1.......1......1....1 ......2.......6.......12.......20.......30......42.....56......72.....90..110 ......6......16.......96......264......524.....920...1484....2216...3148.4304 .....24.....120......304.....2904.....9120...20272..38176...64920.102848 ....120.....648.....4416.....9968...133616..431328.992032.1932256 ....720....5040....38520...257136...465984.7867328 ...5040...38592...302400..3160800.20661216 ..40320..362880..3540672.37000368 .362880.3600000.39595392 LINKS R. H. Hardin, Table of n, a(n) for n = 1..71 EXAMPLE Some solutions for n=3, k=4: 7 9 13 10 11 6 9 7 8 8 11 8 7 13 12 12 9 11 14 13 14 10 6 9 6 13 14 10 11 8 7 10 10 10 11 11 11 13 11 14 9 12 10 8 10 9 9 11 CROSSREFS Column 1 is A000142. Row 2 is A002378. Sequence in context: A049019 A133314 A208909 * A259477 A208919 A347580 Adjacent sequences: A229562 A229563 A229564 * A229566 A229567 A229568 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Sep 26 2013 STATUS approved

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Last modified September 12 07:57 EDT 2024. Contains 375850 sequences. (Running on oeis4.)