W. Lang Oct 05 2007 a(n,m) tabl head (triangle) for A049374 (S1p(6)) n\m 1 2 3 4 5 6 7 8 9 10 ... 1 1 0 0 0 0 0 0 0 0 0 2 6 1 0 0 0 0 0 0 0 0 3 42 18 1 0 0 0 0 0 0 0 4 336 276 36 1 0 0 0 0 0 0 5 3024 4200 960 60 1 0 0 0 0 0 6 30240 66024 23400 2460 90 1 0 0 0 0 7 332640 1086624 557424 87360 5250 126 1 0 0 0 8 3991680 18805248 13349952 2916144 255360 9912 168 1 0 0 9 51891840 342486144 325854144 95001984 11343024 632016 17136 216 1 0 10 726485760 6559128576 8162985600 3080911680 480664800 35991648 1386000 27720 270 1 . . . The first column gives A001725(n+4), n>=1: [1,6,42,336,3024,30240,332640,3991680,51891840,726485760, ...]. The row sums give A049402 = [1,7,61,649,8245,122215,2069425,39328465,827226505,19047582055,...]. The alternating row sums give A134140 =[1,5,25,95,-275,-14755,-278795,-4134145,-49014215,-304537195,...]. ########################################## e.o.f. #########################################################