login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A077266 as a triangular array

1
01
201
1001
11001
000001
3010001
22000001
210100001
1100000001
21101000001
100000000001
1000010000001
01010000000001

A077266 as a square array

10211032212110
1001002111001
100010001000
10000100001
1000001000
100000010
10000000
1000000
100000
10000
1000
100
10
1
10211032212110
1001002111001
100010001000
10000100001
1000001000
100000010
10000000
1000000
100000
10000
1000
100
10
1