login

A027356 as a triangular array

1
00
001
0010
00001
000010
0000001
00001010
000010001
0000001010
00000010001
000000101010
0000001010001
00000000101010

A027356 as a square array

10000000000000
0000000000000
110000000000
00000000000
1101100000
000000000
11011110
0000000
110111
00000
1101
000
11
0
10000000000000
0000000000000
110000000000
00000000000
1101100000
000000000
11011110
0000000
110111
00000
1101
000
11
0