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A352957 as a triangular array

0
01
012
0234
02345
035678
0356789
04689101112
058101113141516
05810121314151617
0581012131415161718
0711141618192122232425

A352957 as a square array

000000000000
11223345557
23355688811
4466810101014
577911121216
881013131318
91114141419
1215151521
16161622
171723
1824
25
000000000000
11223345557
23355688811
4466810101014
577911121216
881013131318
91114141419
1215151521
16161622
171723
1824
25