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A038766 as a triangular array

1
11
111
1332
13974
1516292310
152762996925
173913227535122970
175522164311211249731196
197236712782997458444372385574
19935402322667813458180121559776571681

A038766 as a square array

11111111111
1133557799
139162739557293
272962132221367540
4239927564312782322
1069351112129976678
252291249458413458
70731443718012
196238515597
5747657
1681
11111111111
1133557799
139162739557293
272962132221367540
4239927564312782322
1069351112129976678
252291249458413458
70731443718012
196238515597
5747657
1681