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”).

A152487 as a triangular array

0
10
110
2110
22120
221110
2211120
32212110
332312230
3322112210
33221112120
332221212110
3322121212230
33222111212210

A152487 as a square array

01122223333333
0112222333333
011112222222
02111322222
0112111212
021211121
01221211
0322121
011212
02121
0122
032
01
0
01122223333333
0112222333333
011112222222
02111322222
0112111212
021211121
01221211
0322121
011212
02121
0122
032
01
0