18176

Appears in sequences

• Glaisher's function V(n).at n=23A002611
• Expansion of (theta_3(z)*theta_3(5z)+theta_2(z)*theta_2(5z))^4.at n=30A028589
• Denominators of continued fraction convergents to sqrt(52).at n=9A041089
• Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.at n=22A163619
• Products of the 8th power of a prime and a distinct prime (p^8*q).at n=19A179668
• a(n) = 2^n*A122827(n).at n=5A185159
• a(n) = Product_{k>=1} floor(n^(1/k)).at n=70A190668
• 1/4 the number of (n+1) X 6 0..2 arrays with every 2 X 2 subblock having distinct edge sums.at n=6A209379
• 1/4 the number of (n+1) X 8 0..2 arrays with every 2 X 2 subblock having distinct edge sums.at n=4A209381
• Numbers that are not the sum of two squares and two fourth powers.at n=17A214891
• Number of idempotent 3X3 0..n matrices.at n=36A222822
• Numerators of coefficients of expansion of exp( Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.at n=11A256400
• Values of n such that there are exactly 7 solutions to x^2 - y^2 = n with x > y >= 0.at n=28A257414
• Expansion of f(-x)^11 / f(-x^3) + 27 * x * f(-x^3)^11 / f(-x) in powers of x where f() is a Ramanujan theta function.at n=37A258724
• Number of n X 2 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.at n=13A275498
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 438", based on the 5-celled von Neumann neighborhood.at n=15A288303
• Integers with precisely six partitions into sums of four squares of nonnegative numbers.at n=47A293175
• Expansion of (1 + x) * Product_{k>=1} 1/(1 - x^k)^k.at n=16A309267
• Numbers that are divisible by the total number of 1's in both the Zeckendorf and the dual Zeckendorf representations of all their divisors (A300837 and A333618).at n=12A333621
• Number of irreducible, unrooted, unoriented self-avoiding chains of length n for the square lattice.at n=12A334325