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A133737 as a triangular array

1
21
312
4223
52236
634367
73436714
8446671417
946667141727
1056612714172734

A133737 as a square array

12345678910
112233445
22244466
3333666
6666612
77777
14141414
171717
2727
34
12345678910
112233445
22244466
3333666
6666612
77777
14141414
171717
2727
34