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”).

A102232 as a simple table

na(n)
00
10
20
36
460
5510
64620
747166
8545580
97086750
10102246540
111622630526
1228091563500
13526858340190
1410641342954060
15230283190945086
165315654681915820
17130370767029004830
183385534663256583180
1992801587319327886846
202677687796244383154540
2181124824998504071784670

[0,0,0,6,60,510,4620,47166,545580,7086750,
 102246540,1622630526,28091563500,526858340190,
 10641342954060,230283190945086,5315654681915820,
 130370767029004830,3385534663256583180,
 92801587319327886846,2677687796244383154540,
 81124824998504071784670]