A099822 Bisection of A005117.

1, 3, 6, 10, 13, 15, 19, 22, 26, 30, 33, 35, 38, 41, 43, 47, 53, 57, 59, 62, 66, 69, 71, 74, 78, 82, 85, 87, 91, 94, 97, 102, 105, 107, 110, 113, 115, 119, 123, 129, 131, 134, 138, 141, 143, 146, 151, 155, 158, 161, 165, 167, 173, 177, 179, 182, 185, 187, 191, 194

Offset

1,2

Links

Table of n, a(n) for n=1..60.

Formula

a(n) = A005117(2*n-1). - Amiram Eldar, Mar 04 2024

Mathematica

Select[Range[200], SquareFreeQ][[1;; -1;; 2]] (* Amiram Eldar, Mar 04 2024 *)

Crossrefs

Cf. A005117, A099835.

Sequence in context: A310048 A310049 A168241 * A117549 A190767 A310050

Adjacent sequences: A099819 A099820 A099821 * A099823 A099824 A099825

Keyword

nonn,easy

Author

N. J. A. Sloane, Nov 19 2004

Extensions

More terms from Hugo Pfoertner, Nov 20 2004

Offset corrected by Amiram Eldar, Mar 04 2024

Status

approved