login

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”).

A212230 as a simple table

na(n)
1302615
2808403
32204646
46062948
516740414
646305966
7128148456
8354470546
9979272751
102700150083
117425872754
1220355794336
1355576133157
14151888056136
15415782103202
161139624300299
173126418458642
188581964181953
1923565242287322

[302615,808403,2204646,6062948,16740414,46305966,
 128148456,354470546,979272751,2700150083,
 7425872754,20355794336,55576133157,151888056136,
 415782103202,1139624300299,3126418458642,
 8581964181953,23565242287322]