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A015123
as a triangular array
1
1
1
1
-9
1
1
91
91
1
1
-909
9191
-909
1
1
9091
918191
918191
9091
1
1
-90909
91828191
-917272809
91828191
-90909
1
1
909091
9182728191
917364637191
917364637191
9182728191
909091
1
1
-9090909
918273728191
A015123
as a square array
1
1
1
1
1
1
1
1
1
1
-9
91
-909
9091
-90909
909091
-9090909
1
91
9191
918191
91828191
9182728191
918273728191
1
-909
918191
-917272809
917364637191
1
9091
91828191
917364637191
1
-90909
9182728191
1
909091
1
A015123
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
-9
91
-909
9091
-90909
909091
-9090909
1
91
9191
918191
91828191
9182728191
918273728191
1
-909
918191
-917272809
917364637191
1
9091
91828191
917364637191
1
-90909
9182728191
1
909091
1
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Last modified May 14 23:22 EDT 2024. Contains 372535 sequences. (Running on oeis4.)