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A271704 as a triangular array

1
01
031
01181
04957151
0261424174241
0163134251930410351
01174330336218556320825481
09590129455325916195235168351491631
0876809312363232515001452976325150388642492801

A271704 as a square array

1000000000
13114926116311174395901876809
18574243425303362945533123632
1151741930218552591613251500
1244106320952351452976
13582516835325150
148149138864
1632492
180
1
1000000000
13114926116311174395901876809
18574243425303362945533123632
1151741930218552591613251500
1244106320952351452976
13582516835325150
148149138864
1632492
180
1