A008575 Sectors on dartboard.

1, 18, 4, 13, 6, 10, 15, 2, 17, 3, 19, 7, 16, 8, 11, 14, 9, 12, 5, 20, 25, 50

Offset

1,2

Links

Table of n, a(n) for n=1..22.

K. S. Brown, The Dartboard Sequence

Crossrefs

Cf. A003833.

Sequence in context: A134906 A018815 A014974 * A059654 A080694 A040314

Adjacent sequences: A008572 A008573 A008574 * A008576 A008577 A008578

Keyword

nonn,fini,full

Author

aubrey.moore(AT)saipan.com; C. R. Sloane

Status

approved