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A308583 as a triangular array

0
00
000
0000
00000
010000
0110000
02220000
034430000
04610640000
051016161050000
07142829281470000
0820425656422080000
010266490113906426100000
01235901501971971509035120000
014441262223403683402221264414000

A308583 as a square array

0000000000000000
000011234578101214
00001246101420263544
000024101628426490126
00003616295690150222
00004102856113197340
00005144290197368
000072064150340
000082690222
00001035126
00001244
000014
0000
000
00
0000000000000000
000011234578101214
00001246101420263544
000024101628426490126
00003616295690150222
00004102856113197340
00005144290197368
000072064150340
000082690222
00001035126
00001244
000014
0000
000
00