24999

Appears in sequences

• Number of directed animals on a certain lattice.at n=7A011791
• Molien series for full 8 X 8 Siegel modular group H_3 of order 371589120.at n=46A027633
• Expansion of Molien series for 8-dimensional complex Clifford group of genus 3 and order 743178240.at n=23A039946
• Expansion of q^(-1/3) * b(q) * c(q) / a(q)^2 in powers of q where a(), b(), c() are cubic AGM theta functions.at n=4A051273
• T(n,n-3), array T as in A054120.at n=18A054121
• Numbers k such that k^4 == 1 (mod 5^5).at n=31A056102
• a(n) = smallest k such that 2k has digit sum = n.at n=38A077491
• Number of dissections of a polygon using strictly disjoint diagonals.at n=13A093128
• Triangle T(n,k) = 10^(n-1) -1 + k*floor(9*10^(n-1)/(n+1)), with 1 <= r <= n, read by rows.at n=10A093850
• a(n) = A002283(n-1) + floor(A052268(n)/(1+n)).at n=4A093851
• a(n) = 40*n^2 - 1.at n=24A158598
• The number of trailing zeros in (10^n)!at n=4A173228
• Partial sums of floor(Fibonacci(n)/3).at n=23A179001
• a(n) = 8*5^n-1.at n=5A198767
• G.f. A(x) satisfies A(x)^2 = 1 +x + x*A(x)^5.at n=8A259757
• Numbers n such that n^2 = a^2 + b^5 (with integers a, b > 0) and gcd(a, b, n) = 1.at n=20A293284
• Numbers n with the property that k*n and (k+1)*n have a common nonzero digit for all k.at n=34A308466
• Base-ten n whose English number-word expression contains a letter making its n-th appearance in the list of consecutive positive integer number-words.at n=35A339753
• Arises from enumeration of a certain class of zig-zag knight's paths on the square grid.at n=27A368376