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”).

A141846 as a triangular array

0
01
001
0102
00001
011004
0000001
01020004
001000003
0100100006
00000000001
011204000008
0000000000001
01000010000008

A141846 as a square array

00000000000000
1010101010101
100100100100
20002000200
1000010000
400000400
10000001
4000000
300000
60000
1000
800
10
8
00000000000000
1010101010101
100100100100
20002000200
1000010000
400000400
10000001
4000000
300000
60000
1000
800
10
8