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A287805 as a simple table

na(n)
01
15
219
373
4281
51083
64175
716097
862065
9239307
10922711
113557761
1213717913
1352893147
14203943935
15786361409
163032030689
1711690820555
1845077144455
19173807214241
20670161078089
212583988659867
229963272432111
2338416111919777
24148123788152017
25571131629935179

[1,5,19,73,281,1083,4175,16097,62065,239307,
 922711,3557761,13717913,52893147,203943935,
 786361409,3032030689,11690820555,45077144455,
 173807214241,670161078089,2583988659867,
 9963272432111,38416111919777,148123788152017,
 571131629935179]