login

A144215 as a triangular array

1
12
123
1356
137910
1411171920
141528343637
15225267737576
153090129144150152153
1642170264305320326328329
1656310542645686701707709710

A144215 as a square array

11111111111
2233445566
357111522304256
6917285290170310
10193467129264542
203673144305645
3775150320686
76152326701
153328707
329709
710
11111111111
2233445566
357111522304256
6917285290170310
10193467129264542
203673144305645
3775150320686
76152326701
153328707
329709
710