28345

Appears in sequences

• Expansion of e.g.f. cos(x)/exp(sinh(x)).at n=11A009113
• Expansion of sin(sin(x))*cosh(x).at n=5A009476
• Expansion of sin(sin(x))*exp(x).at n=11A009477
• Numbers k such that the continued fraction for sqrt(k) has period 67.at n=34A020406
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 30.at n=3A031618
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, -1, 0), (1, 0, -1), (1, 1, 1)}.at n=8A149773
• Number of primes of the form (x+1)^5 - x^5 less than 10^n.at n=23A221846
• Composite numbers for which the root mean square of proper divisors is an integer.at n=27A247135
• a(n) = n-th pi-based antiderivative of 1.at n=18A258975
• Numbers k such that 6*10^k - 91 is prime.at n=21A294945
• Expansion of Product_{k>=1} (1 + x^k)^binomial(k+4,4).at n=7A344097
• E.g.f. satisfies A(x) = 1 + x*A(x)^2*exp(x*A(x)^2).at n=5A364982