38012

Appears in sequences

• (Terms in A029613)/2.at n=31A051435
• (Terms in A029627)/2.at n=45A051457
• Square roots of terms in A065611.at n=33A065612
• a(0) = 1; a(n) = Sum_{1 <= k <= n and k|n} a(n-k).at n=22A067951
• a(n) = 225*n^2 - n.at n=12A156813
• a(n) = 169*n^2 - 13.at n=14A158550
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x+84847)^2 = y^2.at n=24A201917
• G.f.: 1/(1 - x/(1 - x^4/(1 - x^9/(1 - x^16/(1 - x^25/(1 - x^36/(1 -...- x^(n^2)/(1 -...))))))), a continued fraction.at n=35A206739
• Smallest even k such that the pair {k-3,k-1} is not a twin prime pair and lpf(k-1) > lpf(k-3) >= prime(n), where lpf = least prime factor (A020639).at n=40A242720
• a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)*(n^2+4*n+37)/5040.at n=12A257201
• Number of (n+2) X (3+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.at n=21A257442
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one or less.at n=12A269607