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A258993 as a triangular array

1
13
165
110157
11535289
12170844511
1281262101656613
1362104624952869115
1453309241287100145512017
155495171630033003182068015319
1667153003643580086188306096919021

A258993 as a square array

11111111111
361015212836455566
5153570126210330495715
7288421046292417163003
945165495128730036435
1166286100130038008
139145518206188
151206803060
17153969
19190
21

A258993 as an upper right triangle

11111111111
361015212836455566
5153570126210330495715
7288421046292417163003
945165495128730036435
1166286100130038008
139145518206188
151206803060
17153969
19190
21

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Last modified November 13 01:32 EST 2018. Contains 317118 sequences. (Running on oeis4.)