login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A101026 as a triangular array

1
13
184
115204
124603224
135140140408
14828044824012864
16350411761008336448192
18084026883360179244805120128
199132055449504739226885760384128
1120198010560

A101026 as a square array

11111111111
3815243548638099120
4206014028050484013201980
43214044811762688554410560
2440240100833609504
812833617927392
6444844802688
19251205760
128384
128
11111111111
3815243548638099120
4206014028050484013201980
43214044811762688554410560
2440240100833609504
812833617927392
6444844802688
19251205760
128384
128