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A120666
as a triangular array
1
1
6
1
20
1680
1
70
34650
63063000
1
252
756756
11732745024
623360743125120
1
924
17153136
2308743493056
1370874167589326400
2670177736637149247308800
1
3432
399072960
472518347558400
3177459078523411968000
85722533226982363751829504000
7363615666157189603982585462030336000
A120666
as a square array
1
1
1
1
1
1
1
6
20
70
252
924
3432
1680
34650
756756
17153136
399072960
63063000
11732745024
2308743493056
472518347558400
623360743125120
1370874167589326400
3177459078523411968000
2670177736637149247308800
85722533226982363751829504000
7363615666157189603982585462030336000
A120666
as an upper right triangle
1
1
1
1
1
1
1
6
20
70
252
924
3432
1680
34650
756756
17153136
399072960
63063000
11732745024
2308743493056
472518347558400
623360743125120
1370874167589326400
3177459078523411968000
2670177736637149247308800
85722533226982363751829504000
7363615666157189603982585462030336000
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Last modified September 3 23:03 EDT 2024. Contains 375679 sequences. (Running on oeis4.)