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A263514 as a simple table

na(n)
115
2160
32076
425968
5331130
64213002
753712998
8684799391
98732881192
10111369466097
111420333983945
1218114184500130
13231020023102857
142946329450622616
1537576249111921443
16479231893077739510

[15,160,2076,25968,331130,4213002,53712998,
 684799391,8732881192,111369466097,1420333983945,
 18114184500130,231020023102857,2946329450622616,
 37576249111921443,479231893077739510]