22689

Appears in sequences

• a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026692.at n=6A026993
• Numbers k such that 2^k - 9 is prime.at n=24A059610
• Row sums of the swinging derangement triangle (A163770).at n=9A163773
• Values of b such that (c+9b)*prime(n)#-1 is the least prime such that (c+kb)*prime(n)#-1 are all primes for 0 <= k <= 9, or 0 if there is no solution with c+9b < prime(n)#.at n=25A188367
• Number of distinct values of Sum_{i=0..n} x(i)*binomial(n,i), where the x(i) have values in 0..4.at n=13A205539
• Number T(n,k) of solid standard Young tableaux of shape [[n,k],[n-k]]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=30A214775
• Number T(n,k) of solid standard Young tableaux of shape [[n,k],[n-k]]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=33A214775
• Number of solid standard Young tableaux of shape [[n,n-2],[2]].at n=5A215298
• Number of solid standard Young tableaux of shape [[n,n-5],[5]].at n=2A215301
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood.at n=32A270077
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood.at n=33A270452
• Number of 2 X 2 matrices with all elements in {-n,..,0,..,n} with determinant = 2*permanent.at n=26A280343
• Partial sums of A286271.at n=22A286272