2,2
A123507 records the bit runs of A123506 and uses the second zero in an analogous operation.
Record the numbers of consecutive bit runs of A123504.
A123054 = 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1...; therefore the numbers of bit runs are 1, 2, 1, 2, 2, 2, 3...
Cf. A123504, A123506, A123507, A100060, A102522, A102523.
Sequence in context: A029278 A125950 A052954 * A114920 A030361 A060715
Adjacent sequences: A123502 A123503 A123504 * A123506 A123507 A123508
nonn
Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 01 2006