login

A181506 as a triangular array

1
01
101
0101
00101
110101
0110101
00110101
011110101
1011110101
01011110101
012111110101

A181506 as a square array

101001000100
10101101011
1010111102
101011111
10101111
1010111
101011
10101
1010
101
10
1
101001000100
10101101011
1010111102
101011111
10101111
1010111
101011
10101
1010
101
10
1