48204
domain: N
Appears in sequences
- Number of permutations that are 3 "block reversals" away from 12...n.at n=7A007975
- Sums of 4 distinct powers of 6.at n=24A038480
- Denominators of continued fraction convergents to sqrt(310).at n=15A041585
- Numbers n such that p(12n) is prime, where p(n) is the number of partitions of n.at n=33A115214
- 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, -1, 1), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, 0, 0)}.at n=9A149996
- Numbers k such that the sum of the divisors of k and the sum of the distinct prime divisors of k are both a square.at n=36A194196
- Triangle (read by rows) of coefficients of the polynomials (in ascending order) of the denominators of the generalized sequence s(n) of the sum resp. product of generalized fractions f(n) defined recursively by f(1) = m/1; f(n+1) is chosen so that the sum and the product of the first n terms of the sequence are equal.at n=38A225201
- Number of nondecreasing -n..n vectors of length 5 whose dot product with some nonincreasing -n..n vector equals 5.at n=9A226402
- Numbers m such that sigma(m)*tau(m) is a square but sigma(m)/tau(m) is not an integer.at n=16A327831
- 4*a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n).at n=23A340923