A112568 Secondary diagonal of square table A112564 of generalized Flavius Josephus sieves.

1, 3, 13, 61, 241, 1051, 5041, 20161, 91081, 392041, 1681681, 6530173, 27168961, 115590931

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Index entries for sequences related to the Josephus Problem

Prog

(PARI) {a(n)=local(A=n, B=0, k=0); if(n==0, 1, until(A==B, k=k+1; if(k%(n+1)==0, k=k+1); B=A; A=floor(A*(k+1)/k)); 1+A)}

Crossrefs

Cf. A112564, A112565.

Sequence in context: A328704 A341077 A357749 * A104089 A334150 A239995

Adjacent sequences: A112565 A112566 A112567 * A112569 A112570 A112571

Keyword

more,nonn

Author

Paul D. Hanna, Oct 14 2005

Status

approved