24809

Properties

Appears in sequences

• Number of trivalent connected (or cubic) planar graphs with 2n nodes.at n=9A005964
• Primes of form n^2 + n + 3.at n=19A027753
• Numerators of continued fraction convergents to sqrt(426).at n=8A041810
• Number of points in N^4 of norm <= n.at n=16A055403
• a(0)=1, a(n) = prime(n^3).at n=14A055875
• Primes from merging of 5 successive digits in decimal expansion of the Euler-Mascheroni Constant.at n=10A104939
• Lesser prime in pair prime(k) +/- k for some k.at n=38A107636
• Number of squares in an n X n grid of squares with diagonals.at n=28A111500
• (14^n)-th prime.at n=3A119775
• a(n) = prime(2*n^2) - 2*n^2.at n=38A141086
• Primes p of the form 4*k+1 for which s=26 is the least positive integer such that s*p-(floor(sqrt(s*p)))^2 is a square.at n=36A145050
• Expansion of g.f. 1/(1-(x+x^2+x^3+x^4+x^6+x^7)).at n=16A189101
• Primes from merging of 5 successive digits in decimal expansion of Euler-Mascheroni constant.at n=11A198779
• Primes that are the sum of three consecutive primes in A034962.at n=40A207527
• Number of compositions of n where differences between neighboring parts are in {-2,-1,1,2}.at n=25A214256
• Coefficients of mock modular form H_1^(4) (divided by 2).at n=16A256051
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 243", based on the 5-celled von Neumann neighborhood.at n=32A271002
• Compound filter: a(n) = P(sigma(n), sigma(2n)), where P(n,k) is sequence A000027 used as a pairing function, and sigma is the sum of divisors (A000203).at n=38A286359
• Triangle read by rows: T(n,k) = number of connected cubic graphs on 2n vertices with crossing number k for n >= 2, k >= 0.at n=27A390643
• Prime numbersat n=2744