A132137 a(1)=1, a(n)=maximal digit of sum a(1)+...+a(n-1).

1, 1, 2, 4, 8, 6, 2, 4, 8, 6, 4, 6, 5, 7, 6, 7, 7, 8, 9, 1, 2, 4, 8, 6, 2, 4, 8, 6, 4, 6, 5, 7, 6, 7, 7, 8, 9, 2, 3, 6, 2, 4, 8, 6, 3, 5, 4, 4, 8, 6, 6, 8, 7, 8, 9, 3, 3, 6, 3, 5, 3, 3, 6, 3, 5, 4, 4, 8, 6, 6, 8, 7, 8, 9, 4, 4, 8, 6, 4, 6, 4, 6, 4, 6, 5, 7, 6, 7, 7, 8, 9, 5, 6, 5, 7, 5, 9, 8, 6, 5, 7, 6, 7, 7, 8

Offset

1,3

Links

Table of n, a(n) for n=1..105.

Mathematica

a[1]=i=s=1; Do[i++; b=0+Max[IntegerDigits[s]]; a[i]=b; s+=b, {225}] Table[a[k], {k, i}]

Crossrefs

Cf. A134548.

Sequence in context: A352378 A280426 A000689 * A011180 A103546 A321043

Adjacent sequences: A132134 A132135 A132136 * A132138 A132139 A132140

Keyword

base,nonn

Author

Zak Seidov, Oct 31 2007

Status

approved