41536
domain: N
Appears in sequences
- Numbers k such that 10^k - 113 is prime.at n=18A108653
- Octagonal numbers which are the sums of exactly two positive octagonal numbers.at n=20A136346
- 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, 0), (-1, 0, 0), (0, 1, -1), (1, 0, 1)}.at n=10A148772
- a(n) = 2*{0,a(n-2),0} + 2*{-1/2,a(n-1)}+2*{a(n-1),-1/2}.at n=48A152602
- a(n) = 2*{0,a(n-2),0} + 2*{-1/2,a(n-1)}+2*{a(n-1),-1/2}.at n=51A152602
- Index in A092243 where -n first appears.at n=10A269738
- Number of partitions of n*(n-1)/2 into at most three parts.at n=37A274233
- Numbers k that are divisible by sum(pi)^2+sum(ei) where k=p1^e1*...*pj^ej with pi primes.at n=36A321456
- Number of compositions (ordered partitions) of n into distinct parts where no part is a multiple of 5.at n=35A332311
- a(n) = n * (binomial(n,2) - 2).at n=44A341768
- Numbers k such that A109812(k) AND A109812(k+2) = 0 (where AND denotes the bitwise AND operator).at n=33A352773