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A166288 as a triangular array

1
11
211
2411
45611
6129811
92324141011
17385640201211
268410011060271411
4614525021019084351611
81280480580385301112441811
13555199512251155644448144542011

A166288 as a square array

112246917264681135
114512233884145280551
11692456100250480995
11814401102105801225
111020601903851155
11122784301644
111435112448
111644144
111854
1120
11
1
112246917264681135
114512233884145280551
11692456100250480995
11814401102105801225
111020601903851155
11122784301644
111435112448
111644144
111854
1120
11
1