A098667 Max{m: A098666(n,k)=1 for 1<=k<=m<=n}.

1, 1, 1, 2, 2, 4, 4, 4, 4, 6, 6, 6, 6, 8, 10, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16, 16, 16, 18, 18, 18, 18, 22, 22, 22, 22, 22, 22, 22, 22, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 30, 30, 30, 30, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 40

Offset

1,4

Comments

A098666(n,k)=1 for k<=a(n), A098666(n,a(n)+1)>1 for n>1.

Links

Table of n, a(n) for n=1..74.

Crossrefs

Sequence in context: A100144 A076222 A177692 * A279506 A105678 A309195

Adjacent sequences: A098664 A098665 A098666 * A098668 A098669 A098670

Keyword

nonn

Author

Reinhard Zumkeller, Sep 20 2004

Status

approved