46880

Appears in sequences

• Number of nonnegative solutions to x^2 + y^2 + z^2 < n^2.at n=44A218711
• Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the generalized pattern 23-1; triangle T(n,k), n>=0, 0<=k<=A125811(n)-1, read by rows.at n=51A260670
• Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the generalized pattern 23-1.at n=4A264463
• Number of length-n 0..2 arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.at n=10A268451
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood.at n=39A272457
• Even numbers that are not the sum or difference of two binary palindromes (A006995).at n=24A290424
• Number of winning positions for the next player (a, b, c) where 1 <= a, b, c <= n in "Divisor Nim" (see comments).at n=39A383226
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384680.at n=61A384681