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A011971 as a triangular array

1
12
235
571015
1520273752
526787114151203
203255322409523674877
8771080133516572066258932634140
4140501760977432908911155137441700721147
211472528730304364014383352922640777782194828115975

A011971 as a square array

11251552203877414021147
23720672551080501725287
51027873221335609730304
15371144091657743236401
521515232066908943833
20367425891115552922
87732631374464077
41401700777821
2114794828
115975

A011971 as an upper right triangle

11251552203877414021147
23720672551080501725287
51027873221335609730304
15371144091657743236401
521515232066908943833
20367425891115552922
87732631374464077
41401700777821
2114794828
115975

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Last modified November 13 19:25 EST 2018. Contains 317149 sequences. (Running on oeis4.)