1,2

a(n), n = 1,2,4,8,..; = 1 + Log(base 2) of n; and the rest zeros.

a(8) = 4 = sum of row 8 terms of A103994: (1 + 1 + 0 + 1 + 0 + 0 + 0 + 1).

a(8) = 4 = 1 + Log(base 2) of 8.

Cf. A103994.

Sequence in context: A079302 A138806 A142971 this_sequence A114511 A085199 A085200

Adjacent sequences: A104114 A104115 A104116 this_sequence A104118 A104119 A104120

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 15 2007