OFFSET
1,41
EXAMPLE
a(41) = -2 because there are 11 0's in the first 41 terms of Van Eck's sequence and 13 prime numbers less than or equal to 41, and 11 - 13 = -2.
CROSSREFS
KEYWORD
sign
AUTHOR
G. L. Honaker, Jr., Nov 13 2022
STATUS
approved