0,1

A(n) is the number of terms in the sequence where the first term is n and the subsequent terms are the smallest nonnegative integer not yet listed whose English name has no letters in common with the English name of the previous term.

Table of n, a(n) for n=0..86.

A(0) is 8 because the sequence starting with 0 (A178726) has 8 terms. A(8) is 11 because the sequence starting with 8 (A178726) has 11 terms.

Cf. A178724, A178726, A178727

Sequence in context: A296428 A073447 A011213 * A256489 A129404 A222075

Adjacent sequences: A178725 A178726 A178727 * A178729 A178730 A178731

nonn,word

Will Nicholes, Jun 08 2010

approved