login

A047917 as a triangular array

1
11
202
2206
400024
26800120
600000720
480480005040
60360000040320
420003840000362880
100000000003628800
41264324038400000

A047917 as a square array

1122426464104
1020608020012
200800360064
600048000324
24000038400
120000003840
72000000
50400000
40320000
36288000
3628800
1122426464104
1020608020012
200800360064
600048000324
24000038400
120000003840
72000000
50400000
40320000
36288000
3628800