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A054654 as a triangular array

1
10
1-10
1-320
1-611-60
1-1035-50240
1-1585-225274-1200
1-21175-7351624-17647200
1-28322-19606769-1313213068-50400

A054654 as a square array

111111111
0-1-3-6-10-15-21-28
02113585175322
0-6-50-225-735-1960
02427416246769
0-120-1764-13132
072013068
0-5040
0

A054654 as an upper right triangle

111111111
0-1-3-6-10-15-21-28
02113585175322
0-6-50-225-735-1960
02427416246769
0-120-1764-13132
072013068
0-5040
0

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Last modified February 18 09:42 EST 2019. Contains 320249 sequences. (Running on oeis4.)