59675

Appears in sequences

• Numerators of continued fraction convergents to sqrt(107).at n=8A041192
• Numerators of continued fraction convergents to sqrt(963).at n=2A042862
• Thickened pyramidal numbers: a(n) = 2*(n+1)*n + Sum_{i=1..n} (4*i*(i-1) + 1).at n=35A050533
• Number of intersection points outside the n-gon of all lines through pairs of vertices of a regular n-gon.at n=28A146213
• Occurrences of decrease of the probability density P(n) of coprime numbers k,m, satisfying 1 <= k <= a(n) and 1 <= m <= a(n), and a(n) congruent to 1 (mod 2) and a(n) not congruent to 3 (mod 6).at n=23A280879
• a(n) = n*(2*n^2 + 3), n >= 1; a(0)=1.at n=31A288534
• Numbers k such that N = k^6 is a twin rank (cf. A002822: 6N +- 1 are twin primes).at n=20A326236
• Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line.at n=30A344311
• a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence.at n=34A351689