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A236919 as a triangular array

1
22
234
3468
3571011
468121416
471013161921
58111518222528
5912172024283235
6101419222730353942

A236919 as a square array

1223344556
2345678910
467810111214
8101213151719
111416182022
1619222427
21252830
283235
3539
42
1223344556
2345678910
467810111214
8101213151719
111416182022
1619222427
21252830
283235
3539
42