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 A259334 Triangle read by rows: T(n,k) = k*(n-1)!*n^(n-k-1)/(n-k)!, 1 <= k <= n. 2
 1, 1, 1, 3, 4, 2, 16, 24, 18, 6, 125, 200, 180, 96, 24, 1296, 2160, 2160, 1440, 600, 120, 16807, 28812, 30870, 23520, 12600, 4320, 720, 262144, 458752, 516096, 430080, 268800, 120960, 35280, 5040, 4782969, 8503056, 9920232, 8817984, 6123600, 3265920, 1270080, 322560, 40320 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS F. A. Haight, Overflow at a traffic light, Biometrika, 46 (1959), 420-424. F. A. Haight, Overflow at a traffic light, Biometrika, 46 (1959), 420-424. (Annotated scanned copy) F. A. Haight, Letter to N. J. A. Sloane, n.d. FORMULA A000435(n) = Sum_{k=0..n-1} k*T(n,k). - David desJardins, Jan 22 2017 EXAMPLE Triangle begins:      1;      1,    1;      3,    4,    2;     16,   24,   18,    6;    125,  200,  180,   96,   24;   1296, 2160, 2160, 1440,  600,  120;   ... PROG (PARI) tabl(nn) = {for (n=1, nn, for (k=1, n, print1(k*(n-1)!*n^(n-k-1)/(n-k)!, ", "); ); print(); ); } \\ Michel Marcus, Jun 26 2015 CROSSREFS Diagonals include A000272, A089946, A000142. Cf. A000435. Sequence in context: A246322 A166074 A225475 * A210488 A244364 A218610 Adjacent sequences:  A259331 A259332 A259333 * A259335 A259336 A259337 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Jun 25 2015 EXTENSIONS More terms from Michel Marcus, Jun 26 2015 STATUS approved

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Last modified August 14 10:58 EDT 2022. Contains 356116 sequences. (Running on oeis4.)