24285

Appears in sequences

• Sum along upward diagonal of Pascal triangle from (but not including) center.at n=27A010756
• a(n) = T(n, 2*n-7), T given by A027926.at n=13A027930
• The third column of the Lucas Fibonacci sum of binomials A175685.at n=28A175712
• Asymptotic value of odd Catalan numbers mod 2^n.at n=15A178854
• Irregular triangle read by rows: T(n,k) is the number of permutations in C_n (= the 1-cycles in S_n) having k stretching pairs.at n=49A216121
• Number of n X 5 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=9A224143
• Expansion of x^3*(1+x+2*x^2+3*x^3+3*x^4+x^5)/(1-x^2-x^3)^3.at n=23A257595
• Number of non-abelian groups of order prime(n)^6.at n=22A271811
• a(n) = Sum_{i=0..n} Fibonacci(i+1)*binomial(2*n-i+2, n+2).at n=7A278472
• Number of minimal dominating sets in the n-Andrásfai graph.at n=16A286879
• Number of solutions to 1^2 +- 3^2 +- 5^2 +- 7^2 +- ... +- (4*n-1)^2 = 0.at n=14A292497
• Numbers k such that (26*10^k - 503)/9 is prime.at n=17A296051
• Number of 3Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=9A303526