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A180472 as a triangular array

0
00
000
0000
00000
000000
0001000
00011000
000222000
0003443000
000461064000
0005101616105000
000714283028147000
00082042565642208000
0001026649111391642610000
000123590150197197150903512000
00014441262243403703402241264414000
00016561683365446806805443361685616000

A180472 as a square array

000000000000000000
00000000000000000
0000000000000000
0001123457810121416
000124610142026354456
00024101628426490126168
0003616305691150224336
0004102856113197340544
0005144291197370680
00072064150340680
00082690224544
0001035126336
0001244168
0001456
00016
000
00
0
000000000000000000
00000000000000000
0000000000000000
0001123457810121416
000124610142026354456
00024101628426490126168
0003616305691150224336
0004102856113197340544
0005144291197370680
00072064150340680
00082690224544
0001035126336
0001244168
0001456
00016
000
00
0