25769803776
domain: N
Appears in sequences
- a(n) = 6*4^n.at n=16A002023
- Reciprocal of n terminates with an infinite repetition of digit 6. Multiples of 10 are omitted.at n=23A064565
- Numbers m such that the largest prime power in the factorization of m equals phi(m).at n=31A081808
- Number of ground-state 3-ball juggling sequences of period n.at n=19A084509
- Expansion of (1+3*x)/(1-8*x^2).at n=23A096886
- Number of closed walks on the graph of the (7,4) Hamming code.at n=12A103333
- Dimension of 2-variable non-commutative harmonics (Hausdorff derivative). The dimension of the space of non-commutative polynomials in 2 variables which are killed by all symmetric differential operators (where for a monomial w, d_{xi} ( w ) = sum over all subwords of w deleting xi once).at n=36A122391
- Least number of the form semiprime - 1 which is the product of exactly n primes.at n=33A128686
- a(n) is the number of shapes of balanced trees with constant branching factor 4 and n nodes. The node is balanced if the size, measured in nodes, of each pair of its children differ by at most one node.at n=35A131890
- a(0) = 9, a(n) = 2*a(n-1) + 2^(n-1) for n > 0.at n=30A159697
- a(n) = (3*4^n - 0^n)/2.at n=17A164908
- a(n) = 3n*4^(2n-1).at n=7A193132
- Sum of binary palindromes in the half-open interval [2^(n-1), 2^n).at n=24A206917
- 3X3 square grid graph coloring a rectangular array: number of nX1 0..8 arrays where 0..8 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=21A223372
- a(n) = composite(n)*2^(n - 3).at n=31A240135
- Decimal representation of the n-th iteration of the "Rule 6" elementary cellular automaton starting with a single ON (black) cell.at n=17A266180
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood.at n=34A278469
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 259", based on the 5-celled von Neumann neighborhood.at n=34A280370
- Number of 5-cycles in the n-Sierpinski tetrahedron graph.at n=15A292543
- a(n) is the smallest number which can be written in n different ways as an ordered product of prime factors.at n=33A304938