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A286100 as a triangular array

1
00
020
0000
00300
000000
0004000
00000000
000050000
0000000000
00000600000
000000000000
0000007000000
00000000000000
000000080000000

A286100 as a square array

100000000000000
02000000000000
0030000000000
000400000000
00005000000
0000060000
000000700
00000008
0000000
000000
00000
0000
000
00
0
100000000000000
02000000000000
0030000000000
000400000000
00005000000
0000060000
000000700
00000008
0000000
000000
00000
0000
000
00
0