36646

Appears in sequences

• Convolution of A000108 (Catalan numbers) with A045543.at n=4A045622
• a(n) = K_4(n) = Sum_{k>=0} A090285(4,k)*2^k*binomial(n,k). a(n) = 2*(n^4+14*n^3+62*n^2+91*n+21)/3.at n=12A090296
• Numbers n such that 4*10^n + R_n + 6 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=13A102982
• Number of binary strings of length n with no substrings equal to 0001 0101 or 1100.at n=18A164474
• Number of integer partitions of n into an odd number of parts, the greatest of which is odd.at n=47A340385
• Array read by antidiagonals: T(n,k) is the number of {-1,0,1} n X k matrices with all rows and columns summing to zero up to permutations of rows.at n=69A377063
• Number of 3 X n 0..2 matrices with row sums n and column sums 3 up to permutations of rows.at n=8A377065
• Number of binary min-heaps on n elements from the set {0,1} that give a max-heap when reversed.at n=36A379272