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A209569 as a triangular array

1
11
231
3651
4111471
518312691
627607142111
73810516213962131
85117032737224386151
966259602861754391114171
10833761031179019871388591146191

A209569 as a square array

112345678910
13611182738516683
15143160105170259376
1726711623276021031
19421393728611790
111622437541987
113863911388
115114591
117146
119
1
112345678910
13611182738516683
15143160105170259376
1726711623276021031
19421393728611790
111622437541987
113863911388
115114591
117146
119
1