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A086696 Least k such that A056830(n) + k is semiprime, where A056830 = alternate digits 1 and 0. 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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 19 06:37 EST 2020. Contains 331033 sequences. (Running on oeis4.)