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A055794 as a triangular array

1
11
121
1321
14420
157410
16118300
1716157100
182226154000
19294230111000
1103764562650000
111469398561610000
112

A055794 as a square array

1111111111111
123456789101112
1247111622293746
12481526426493
013715305698
0014112656
0001516
00001
0000
000
00
0

A055794 as an upper right triangle

1111111111111
123456789101112
1247111622293746
12481526426493
013715305698
0014112656
0001516
00001
0000
000
00
0

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Last modified February 23 02:29 EST 2019. Contains 320411 sequences. (Running on oeis4.)