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A178238 as a triangular array

1
33
786
14161510
2528282415
414546433521
63687068614828
929810110094826336
1291361401401351241068045
1751831881891851751581339955
23124024624824523622019616312066

A178238 as a square array

1371425416392129175231
381628456898136183240
615284670101140188246
10244368100140189248
15356194135185245
214882124175236
2863106158220
3680133196
4599163
55120
66
1371425416392129175231
381628456898136183240
615284670101140188246
10244368100140189248
15356194135185245
214882124175236
2863106158220
3680133196
4599163
55120
66