1,1

Self-descriptive sequence: even terms are the sequence itself, odd terms are the digits of the decimal expansion of e.

C. Kimberling, Fractal sequences.

a(2n)=a(n); a(2n+1)=digits of e.

Cf. A003602.

Sequence in context: A013671 A019807 A063706 this_sequence A121708 A138069 A082837

Adjacent sequences: A110776 A110777 A110778 this_sequence A110780 A110781 A110782

easy,nonn,base

Alexandre Wajnberg (alexandre.wajnberg(AT)skynet.be), Sep 15 2005