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A213118 as a triangular array

1
51
2271
9334101
38615154141
158664625286191
647627101110424136261
263331123647481926714212361
1067624623119964840433541198324501
43191018921483024358361494658421996498

A213118 as a square array

1522933861586647626333106762431910
173415164627101123646231189214
11054252111047481996483024
114864241926840435836
119136714335414946
12621211985842
1363241996
150498
1
1522933861586647626333106762431910
173415164627101123646231189214
11054252111047481996483024
114864241926840435836
119136714335414946
12621211985842
1363241996
150498
1