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A262898 as a triangular array

7
85
1343
191111
2017900
241415600
25161011200
28221169000
332218926000
36291812602000
372727126200000
4035232362000000
433231212120000000
49412629171700000000
5046392227151500000000

A262898 as a square array

7813192024252833363740434950
54111714162222292735324146
31915101118182723312639
1061169121223212922
00292666211727
000602221715
0002000015
00000000
0000000
000000
00000
0000
000
00
0
7813192024252833363740434950
54111714162222292735324146
31915101118182723312639
1061169121223212922
00292666211727
000602221715
0002000015
00000000
0000000
000000
00000
0000
000
00
0