1,2

b(n)=A129095(n) obeys the recurrence: b(n) = b(n/2) (n even), b(n) = 2*b(n-1) + b(n-2) (n odd >1), with b(1) = 1.

(PARI)

Cf. A129095, A129096, A129097, A129099.

Sequence in context: A009321 A078509 A077240 this_sequence A047049 A020034 A128884

Adjacent sequences: A129095 A129096 A129097 this_sequence A129099 A129100 A129101

easy,nonn

Paul D. Hanna (pauldhanna(AT)juno.com), Apr 11 2007