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”).

A297328 as a triangular array

1
10
110
1230
13760
141218140
15183749250
162564114114560
1733100219312282970
18421463756768556241980
195220359412762030217814223540
11063272889219641555736549630586720

A297328 as a square array

111111111111
012345678910
03712182533425263
06183764100146203272
01449114219375594889
02511431267612762196
05628285520304155
09762421785736
019814225496
03543058
0672
0
111111111111
012345678910
03712182533425263
06183764100146203272
01449114219375594889
02511431267612762196
05628285520304155
09762421785736
019814225496
03543058
0672
0