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A278132 as a triangular array

1
11
131
1651
1111571
120382891
136928945111
16421925817266131
111351372157729591151
11991184197518171125466120171
135027025326553439321994693153191

A278132 as a square array

11111111111
13611203664113199350
1515389221951311842702
17288925872119755326
194517257718175534
1116629511253932
113914661994
115120693
117153
119
1

A278132 as an upper right triangle

11111111111
13611203664113199350
1515389221951311842702
17288925872119755326
194517257718175534
1116629511253932
113914661994
115120693
117153
119
1

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Last modified September 17 08:54 EDT 2019. Contains 327127 sequences. (Running on oeis4.)