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A010992 as a simple table

n a(n)
39 1
40 40
41 820
42 11480
43 123410
44 1086008
45 8145060
46 53524680
47 314457495
48 1677106640
49 8217822536
50 37353738800
51 158753389900
52 635013559600
53 2403979904200
54 8654327655120
55 29749251314475
56 97997533741800
57 310325523515700
58 947309492837400
59 2794563003870330

[1,40,820,11480,123410,1086008,8145060,53524680,
 314457495,1677106640,8217822536,37353738800,
 158753389900,635013559600,2403979904200,
 8654327655120,29749251314475,97997533741800,
 310325523515700,947309492837400,2794563003870330]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)