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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A251020 as a simple table

na(n)
1110
22546
320608
4119632
5516684
62160510
77948184
829146692
9100696896
10345190686
111144782282
123748752570
1312009496342
1437949629638

[110,2546,20608,119632,516684,2160510,7948184,
 29146692,100696896,345190686,1144782282,
 3748752570,12009496342,37949629638]