A086696 Least k such that A056830(n) + k is semiprime, where A056830 = alternate digits 1 and 0.

3, 0, 5, 1, 1, 1, 1, 1, 5, 3, 2, 5, 6, 21, 2, 9, 2, 8, 4, 1, 5, 9, 34, 23, 4, 12, 5, 8, 17, 9, 10, 1, 12, 11, 10, 3, 0, 37, 26, 3, 20, 29, 16, 21, 38, 41, 18, 11, 6, 21, 8, 7, 2, 31, 30, 12, 38, 69, 2, 27

Offset

1,1

Links

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

Crossrefs

Sequence in context: A242246 A229979 A050925 * A259743 A247015 A241972

Adjacent sequences: A086693 A086694 A086695 * A086697 A086698 A086699

Keyword

nonn,base

Author

Jason Earls, Jul 28 2003

Status

approved