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A326376 as a triangular array

1
21
121
4221
14321
224421
1454521
826164621
1878114721
24825610904821
14981712174921
4210168472501451241021
18

A326376 as a square array

1214121812141
122424284428
12345678910
1244168256816
12541110178
1264901247250
12741714
1284512
1294
1210
12
1
1214121812141
122424284428
12345678910
1244168256816
12541110178
1264901247250
12741714
1284512
1294
1210
12
1