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A047919 as a triangular array

1
10
200
2004
400020
24600108
600000714
440400004992
60300000040284
416003800000362480
100000000003628790
4860312037680000

A047919 as a square array

1122426464104
000040401608
000600300060
400040000312
20000038000
108000003768
71400000
49920000
40284000
36248000
3628790

A047919 as an upper right triangle

1122426464104
000040401608
000600300060
400040000312
20000038000
108000003768
71400000
49920000
40284000
36248000
3628790

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Last modified April 7 04:20 EDT 2020. Contains 333292 sequences. (Running on oeis4.)