141312

Appears in sequences

• Cubes written in base 5.at n=17A004635
• Number of plane binary trees of size n+2 and height n.at n=12A073773
• Numbers whose decimal expansion is a concatenation of 3 consecutive decreasing numbers.at n=12A127424
• Expansion of (1/3) * (c(q^2)^2 / c(q)) / (b(q^2)^2 / b(q)) in powers of q where b(), c() are cubic AGM theta functions.at n=22A128640
• Expansion of f(-x, -x^5) * f(-x^6) / f(-x)^2 in powers of x where f(, ) and f() are Ramanujan theta functions.at n=34A132302
• Expansion of (phi^3(q^3) / phi(q)) * (psi(-q^3) / psi^3(-q)) in powers of q where phi(), psi() are Ramanujan theta functions.at n=23A164617
• Number of regular octahedra that can be formed using the points in an (n+1)X(n+1)X(n+1) lattice cube.at n=22A178797
• Numbers divisible by both the sum of the squares of their digits and the product of their digits.at n=14A244857
• Expansion of f(x, x^5) * f(-x^6) / f(x)^2 in powers of x where f() is a Ramanujan theta function.at n=34A254346
• a(n) is the permanent of the matrix [((i + j)/(2*n + 1))]_{i,j=0..n}, where (k/m) denotes the Jacobi symbol.at n=14A322898
• a(1)= 2. For n > 1, a(n) is the least number k such that k, k - a(n-1) and k + a(n-1) all have n prime divisors counted by multiplicity.at n=12A365852
• Lexicographically earliest sequence of distinct integers such that the concatenated binary expansions of the terms is A010051.at n=46A370069
• Nonmultiples of 10 that are divisible by the square of the sum of the squares of their digits.at n=16A379982