W. Lang Oct 12 2007 a(n,m) tabl head (triangle) for A134141, called S1p(7) n\m 1 2 3 4 5 6 7 8 9 10... 1 1 0 0 0 0 0 0 0 0 0 2 7 1 0 0 0 0 0 0 0 0 3 56 21 1 0 0 0 0 0 0 0 4 504 371 42 1 0 0 0 0 0 0 5 5040 6440 1295 70 1 0 0 0 0 0 6 55440 114520 36225 3325 105 1 0 0 0 0 7 665280 2116800 983920 135975 7105 147 1 0 0 0 8 8648640 40884480 26714800 5199145 398860 13426 196 1 0 0 9 121080960 826338240 735469280 193087440 20355825 989604 23226 252 1 0 10 1816214400 17474184000 20684008800 7107354800 986964615 64888005 2174130 37590 315 1 . . . The first column gives A001730:(n+5), n>-1: [1,7,56,504,5040,55440,665280,8648640,121080960,1816214400,...]. The row sums give A132164: [1,8,78,918,12846,209616,3909228,81859548,1897344828,48135826656,...]. The alternating row sums give A132165: [1,6,36,174,-174,-26076,-596616,-10334556,-143486244,-1157102136,...]. ############################################# e.o.f. ########################################################