159147

Appears in sequences

• Numbers k such that (k+1)*2^k - 1 is prime.at n=29A230769
• Numbers k such that (13*10^k + 161)/3 is prime.at n=26A284779
• The number of regions formed inside an isosceles triangle by straight line segments mutually connecting all vertices and all points that divide the two equal length sides into n equal parts; the base of the triangle contains no points other than its vertices.at n=28A332953