Narayana-Zidek-Capell numbers: a(n) = 1 for n <= 2. Otherwise a(2n) = 2a(2n-1), a(2n+1) = 2a(2n) - a(n).

A002083

Narayana-Zidek-Capell numbers: a(n) = 1 for n <= 2. Otherwise a(2n) = 2a(2n-1), a(2n+1) = 2a(2n) - a(n).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =11a(7) =22a(8) =42a(9) =84a(10) =165a(11) =330a(12) =654a(13) =1308a(14) =2605a(15) =5210a(16) =10398a(17) =20796a(18) =41550a(19) =83100a(20) =166116a(21) =332232a(22) =664299a(23) =1328598a(24) =2656866a(25) =5313732a(26) =10626810a(27) =21253620a(28) =42505932a(29) =85011864

External references