login

A120060 as a triangular array

1
01
011
0311
07511
01916511
0535418511
01531876418511
04536532336618511
0136723028592436618511
04191817431899062456618511

A120060 as a square array

10000000000
1137195315345313674191
115165418765323028174
11518642338593189
1151866243906
1151866245
1151866
11518
115
11
1
10000000000
1137195315345313674191
115165418765323028174
11518642338593189
1151866243906
1151866245
1151866
11518
115
11
1