login

A051031 as a triangular array

1
11
101
1111
10101
112211
1020201
11366311
1040160401
11521606021511
106026602660601
11994154778497849154794911
10100107860367860010786

A051031 as a square array

1111111111111
101010101010
111223456910
102060210940
11261660266154710786
103060078490
114212667849367860
105015470
1169410786
109
11
1
1111111111111
101010101010
111223456910
102060210940
11261660266154710786
103060078490
114212667849367860
105015470
1169410786
109
11
1