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A177970 as a triangular array

1
11
1261
199991
12446222441
1485230023004851
184664231200064238461
113511500145031450311500113511
12024309241361202187741361203092420241
1288958122352698831384

A177970 as a square array

1111111111
12699244485846135120242889
19962223006423150013092458122
124423001200045031136120352698
1485642345031218774831384
184615001136120
1135130924
12024
1
1111111111
12699244485846135120242889
19962223006423150013092458122
124423001200045031136120352698
1485642345031218774831384
184615001136120
1135130924
12024
1