23434

Appears in sequences

• Generalized Catalan Numbers x^2*A(x)^2 -(1-x+x^2+x^3+x^4)*A(x) + 1 =0.at n=18A023421
• Number of closed orientable irreducible 3-manifolds of complexity n.at n=12A128885
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (1, -1, -1), (1, 0, 1), (1, 1, -1)}.at n=9A148894
• Floor[1/{(3+n^4)^(1/4)}], where {}=fractional part.at n=25A184538
• Number of pairs of partitions of n that are successors in reverse lexicographic order, but incomparable in dominance (natural, majorization) ordering.at n=46A248475
• Number of squares of all sizes in 3*n*(n+1)/2-ominoes in form of three-quarters of Aztec diamonds.at n=38A258440
• Composite numbers k such that k-A238525(k) and k+A238525(k) are prime.at n=47A342648