36085
domain: N
Appears in sequences
- Expansion of 1/((1-x)*(1-2*x)*(1-3*x)*(1-12*x)).at n=4A021064
- a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = 1 and a(3) = 3.at n=17A049893
- Expansion of g.f. (1+x-x^2)/((1-x)*(1-3*x)).at n=9A052909
- Sum of the orders of the elements in the group GL(2,Z_n).at n=6A086147
- 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, 0), (1, 0, 0), (1, 1, 1)}.at n=8A150681
- (11*9^n-1)/2.at n=4A198969
- Number of (n+2)X(2+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=2A251879
- Number of (n+2)X(3+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=1A251880
- T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=7A251885
- T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=8A251885
- Largest order of a rooted tree that does not contain a rooted caterpillar subtree of order n.at n=28A253062
- Numbers k such that 33*10^k + 1 is prime.at n=27A271107
- Peak- and valleyless Motzkin meanders.at n=13A308435