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A213704 as a triangular array

0
02
0010
001242
00044170
00050172682
000521786842730
00056180690273210922
000018469227381092443690
000020269627401093043692174762
000020471427441093243698174764699050
0

A213704 as a square array

000000000000
2000000000
10120000000
4244505256000
170172178180184202204
682684690692696714
27302732273827402744
10922109241093010932
436904369243698
174762174764
699050
000000000000
2000000000
10120000000
4244505256000
170172178180184202204
682684690692696714
27302732273827402744
10922109241093010932
436904369243698
174762174764
699050