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A237621 as a triangular array

1
11
001
0-1-11
00-1-21
0010-31
00022-41
000-125-51
0000-309-61
00001-5-514-71
000004-5-1420-81
00000-190-2827-91

A237621 as a square array

110000000000
10-100000000
1-1-11000000
1-202-10000
1-322-3100
1-450-54-1
1-59-5-59
1-614-140
1-720-28
1-827
1-9
1
110000000000
10-100000000
1-1-11000000
1-202-10000
1-322-3100
1-450-54-1
1-59-5-59
1-614-140
1-720-28
1-827
1-9
1