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A103923 as a triangular array

1
11
221
3421
57521
7129521
11191710521
1530281910521
224547332010521
30677357352010521
42971149262362010521
5613917014710264362010521
77195

A103923 as a square array

11235711152230425677
1247121930456797139195
125917284773114170
1251019335792147
12510203562102
12510203664
125102036
1251020
12510
125
12
1

A103923 as an upper right triangle

11235711152230425677
1247121930456797139195
125917284773114170
1251019335792147
12510203562102
12510203664
125102036
1251020
12510
125
12
1

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Last modified July 17 13:42 EDT 2024. Contains 374377 sequences. (Running on oeis4.)