140451

Appears in sequences

• Smallest side lengths of almost-equilateral Heronian triangles (sides are consecutive positive integers, area is a nonnegative integer).at n=9A016064
• a(1) = 1; a(n) = 1 + Sum_{i=1..n} Product_{j=i..2*i-1} (n-j).at n=14A072374
• Row sums of number triangle A122851.at n=15A122852
• Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A080040(n)) ), where A080040(n) = (1+sqrt(3))^n + (1-sqrt(3))^n.at n=26A174510
• Pierce expansion of 2 - sqrt(3).at n=4A219506
• Sides of (Heronian) triangles where sides are consecutive integers and area is an integer.at n=24A242497
• a(n) = 8*n^3 - 6*n - 1.at n=26A369922