21064

Appears in sequences

• Denominators of continued fraction convergents to sqrt(344).at n=11A041651
• Number of 2n-bead balanced binary strings, rotationally equivalent to reverse, inequivalent to complement and reversed complement.at n=12A045658
• Interprimes which are of the form s*prime, s=8.at n=31A075283
• A050030(2^n+1).at n=7A105996
• G.f.: A(x) = Sum_{n>=0} 2^n*log(G(2^n*x))^n/n! where G(x) = g.f. of A167000.at n=4A167002
• Sum of binary palindromes p < 2^n.at n=10A206918
• Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| != w+x+y.at n=27A213480
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 195", based on the 5-celled von Neumann neighborhood.at n=31A270691
• p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - 2 S^2)^2.at n=10A291024
• Irregular table read by rows: The number of k-faced polyhedra, where k >= 4, formed when a row of n adjacent cubes are internally cut by all the planes defined by any three of their vertices.at n=21A347918
• Number of integer partitions of n > 0 such that the least and greatest parts are not both odd (equivalently, their product is even).at n=39A391230