# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a259334 Showing 1-1 of 1 %I A259334 #18 Jan 15 2022 21:37:53 %S A259334 1,1,1,3,4,2,16,24,18,6,125,200,180,96,24,1296,2160,2160,1440,600,120, %T A259334 16807,28812,30870,23520,12600,4320,720,262144,458752,516096,430080, %U A259334 268800,120960,35280,5040,4782969,8503056,9920232,8817984,6123600,3265920,1270080,322560,40320 %N A259334 Triangle read by rows: T(n,k) = k*(n-1)!*n^(n-k-1)/(n-k)!, 1 <= k <= n. %H A259334 F. A. Haight, Overflow at a traffic light, Biometrika, 46 (1959), 420-424. %H A259334 F. A. Haight, Overflow at a traffic light, Biometrika, 46 (1959), 420-424. (Annotated scanned copy) %H A259334 F. A. Haight, Letter to N. J. A. Sloane, n.d. %F A259334 A000435(n) = Sum_{k=0..n-1} k*T(n,k). - _David desJardins_, Jan 22 2017 %e A259334 Triangle begins: %e A259334 1; %e A259334 1, 1; %e A259334 3, 4, 2; %e A259334 16, 24, 18, 6; %e A259334 125, 200, 180, 96, 24; %e A259334 1296, 2160, 2160, 1440, 600, 120; %e A259334 ... %o A259334 (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 %Y A259334 Diagonals include A000272, A089946, A000142. %Y A259334 Cf. A000435. %K A259334 nonn,tabl %O A259334 1,4 %A A259334 _N. J. A. Sloane_, Jun 25 2015 %E A259334 More terms from _Michel Marcus_, Jun 26 2015 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE