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”).

A251909 as a simple table

na(n)
19552
287472
387472
4910694
51524496
6910694
79385210
831829596
931829596
109385210
1197416802
12634891856
131346875728
14634891856
1597416802
161020849168
1713021221976
1855159959296
1955159959296
2013021221976
211020849168
2210715275730

[9552,87472,87472,910694,1524496,910694,9385210,
 31829596,31829596,9385210,97416802,634891856,
 1346875728,634891856,97416802,1020849168,
 13021221976,55159959296,55159959296,13021221976,
 1020849168,10715275730]