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A275801 as a simple table

na(n)
01
10
21
34
453
5936
625325
7933980
845504649
92824517520
10217690037497
1120394614883316
122282650939846781
13300814135522967736
1446103574973075123877
158130996533576437261772
161635028654501420083152785
17371853339350614571322913824
1894969025880924845123887493233

[1,0,1,4,53,936,25325,933980,45504649,2824517520,
 217690037497,20394614883316,2282650939846781,
 300814135522967736,46103574973075123877,
 8130996533576437261772,1635028654501420083152785,
 371853339350614571322913824,
 94969025880924845123887493233]