29593
domain: N
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 99.at n=26A020438
- Composite numbers not divisible by 5 which in base 5 contain their largest proper factor as a substring.at n=9A063889
- a(n) = Sum_{d|n} phi(d^3).at n=39A068963
- a(n) = T(n) concatenated with reverse(T(n)) divided by 11, where T(n) is the n-th triangular number.at n=25A084008
- Number of (n+1) X 3 binary arrays with no 2 X 2 subblock containing fewer than two 1s.at n=4A184200
- Number of (n+1) X 6 binary arrays with no 2 X 2 subblock containing fewer than two 1's.at n=1A184203
- T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing fewer than two 1s.at n=16A184207
- T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing fewer than two 1s.at n=19A184207
- Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nX6 array.at n=2A218821
- T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nXk array.at n=30A218823
- T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nXk array.at n=33A218823
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood.at n=14A282608
- Expansion of Product_{k>=0} (1 + x^(4*k+3))^(4*k+3).at n=43A285339
- Number of rooted trees with n nodes such that eight equals the maximal number of subtrees of the same size extending from the same node.at n=12A318823
- Number of rooted trees with n nodes such that eight equals the maximal number of isomorphic subtrees extending from the same node.at n=12A318865
- Number of n-node rooted trees in which ten equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.at n=11A318906
- G.f.: Sum_{k>=0} x^(k*(k+1)/2) / Product_{j=1..k} (1 - x^(2*j-1))^2.at n=43A376624