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A319411 as a triangular array

2
22
224
2464
2212124
26301880
2244443240
268276741600
2414413817252000
262582483501564000
22426452734404280000
210790752150093810400000

A319411 as a square array

222222222222
224262646210
4612304482144258426790
412184476138248452752
4832741723507341500
041652156404938
000428104
00000
0000
000
00
0
222222222222
224262646210
4612304482144258426790
412184476138248452752
4832741723507341500
041652156404938
000428104
00000
0000
000
00
0