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A154312 as a triangular array

1
02
013
0035
00079
00001517
000003133
0000006365
0000000127129
00000000255257
000000000511513
000000000010231025
000000000002047

A154312 as a square array

1000000000000
210000000000
33000000000
5700000000
9150000000
1731000000
336300000
651270000
129255000
25751100
51310230
10252047
1000000000000
210000000000
33000000000
5700000000
9150000000
1731000000
336300000
651270000
129255000
25751100
51310230
10252047