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A127247 as a triangular array

1
11
111
0001
00011
000001
0000001
00000011
000000111
0000000001
00000000

A127247 as a square array

11100000000
1100000000
100000000
11000000
1000000
100000
11100
1100
10
1

A127247 as an upper right triangle

11100000000
1100000000
100000000
11000000
1000000
100000
11100
1100
10
1

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Last modified December 4 02:18 EST 2020. Contains 338921 sequences. (Running on oeis4.)