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A258170 as a triangular array

0
01
021
0331
04861
051525101
06369165151
0763301350140211
0813697217021050266281
092613027777069512646462361
01053093553411542526228275880750451

A258170 as a square array

00000000000
12345678910
138153663136261530
16259130197230279355
110653501702777034115
1151401050695142526
121266264622827
1284625880
136750
145
1
00000000000
12345678910
138153663136261530
16259130197230279355
110653501702777034115
1151401050695142526
121266264622827
1284625880
136750
145
1