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A355664 as a triangular array

0
00
010
0220
03930
04121240
0535153550
063848483860
074951271514970
085660284284605680
09135633873133876313590
010142192448398398448192142100

A355664 as a square array

000000000000
012345678910
0291235384956135142
03121548516063192
043548271284387448
053851284313398
064960387398
075663448
08135192
09142
010
0
000000000000
012345678910
0291235384956135142
03121548516063192
043548271284387448
053851284313398
064960387398
075663448
08135192
09142
010
0