A022795 Place where n-th 1 occurs in A023133.

1, 5, 12, 22, 35, 51, 70, 92, 118, 147, 179, 214, 252, 293, 337, 385, 436, 490, 547, 607, 670, 736, 806, 879, 955, 1034, 1116, 1201, 1289, 1381, 1476, 1574, 1675, 1779, 1886, 1996, 2110, 2227, 2347, 2470, 2596, 2725, 2857, 2993, 3132, 3274

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Examples

			a(n) = 1 + Sum_{k=1..n-1} ceiling(r*k) where r=Pi. [_Benoit Cloitre_, Jan 24 2009]
		

Crossrefs

Cf. A023133.

Programs

PARI

a(n)=1+sum(k=1,n-1,ceil(Pi*k)) \\ Benoit Cloitre, Jan 24 2009