login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A286238 as a triangular array

1
21
403
7023
1100010
1600453
220000021
2900070510
37000008021
46000011001410
5600000000055
6700000160128510
790000000000078
920000002200002721
10600000000017019036

A286238 as a square array

124711162229374656677992106
10000000000000
3200000000000
304000000000
105070000000
30001100000
21580016000
1000000220
2114012000
1008000
5550017
10000
782719
210
36
124711162229374656677992106
10000000000000
3200000000000
304000000000
105070000000
30001100000
21580016000
1000000220
2114012000
1008000
5550017
10000
782719
210
36