login

A209148 as a triangular array

1
21
551
111671
23443091
4711210448111
9527232020070131
19164091272034096151
3831472246423521400532126171
76733286400716851522464784160191
15357424

A209148 as a square array

125112347951913837671535
151644112272640147233287424
173010432091224646400
194820072023527168
1117034014005152
113965322464
115126784
117160
119
1
125112347951913837671535
151644112272640147233287424
173010432091224646400
194820072023527168
1117034014005152
113965322464
115126784
117160
119
1