login

A143182 as a triangular array

1
22
313
4224
53135
642246
7531357
86422468
975313579
108642246810
1197531357911
1210864224681012
13119753135791113

A143182 as a square array

12345678910111213
21234567891011
32123456789
4321234567
543212345
65432123
7654321
876543
98765
10987
11109
1211
13
12345678910111213
21234567891011
32123456789
4321234567
543212345
65432123
7654321
876543
98765
10987
11109
1211
13