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A009766 as a triangular array

1
11
122
1355
1491414
1514284242
16204890132132
172775165297429429
1835110275572100114301430
194415442910012002343248624862
1105420863716383640707211934

A009766 as a square array

11111111111
12345678910
259142027354454
514284875110154208
144290165275429637
4213229757210011638
132429100120023640
429143034327072
1430486211934
4862

A009766 as an upper right triangle

11111111111
12345678910
259142027354454
514284875110154208
144290165275429637
4213229757210011638
132429100120023640
429143034327072
1430486211934
4862

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Last modified October 20 23:39 EDT 2018. Contains 316405 sequences. (Running on oeis4.)