|
| |
|
|
A130169
|
|
a(1) = 1; for n>1, a(n) = (c(n)+c(n+1))/2, where c(n) = A130168(n).
|
|
2
| |
|
|
1, 2, 9, 63, 621, 8127, 135729, 2810403, 70558101, 2109957687, 74061977049, 3014272078443, 140764140297981, 7474792551154047, 447790997859123969, 30053688313164013683, 2245843775591721612261, 185829940905166760571207, 16941047558158020804504489
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
