login
A242251
Smallest positive number divisible by n which is not of the form a(i), a(i)+a(j), or |a(i)-a(j)| for i and j <= n-1.
2
1, 4, 6, 16, 25, 18, 28, 40, 45, 30, 11, 72, 13, 84, 105, 64, 119, 126, 57, 140, 273, 220, 23, 240, 225, 52, 405, 196, 174, 390, 93, 160, 363, 476, 455, 288, 37, 152, 429, 520, 656, 714, 172, 308, 585, 184, 517, 624, 735, 600, 612, 208, 848, 756, 605, 1288
OFFSET
1,2
COMMENTS
Same as A122544, except that both sums and absolute differences of previous terms are disqualified.
LINKS
EXAMPLE
a(3) cannot be 3 because 3 = 4-1 and 1 and 4 are both previous terms.
CROSSREFS
Sequence in context: A133572 A121852 A321411 * A122537 A059736 A261682
KEYWORD
nonn
AUTHOR
J. Lowell, May 09 2014
STATUS
approved