65791
domain: N
Appears in sequences
- Number of reversible string structures with n beads using exactly two different colors.at n=17A056326
- Engel expansion of the Landau-Ramanujan constant K (A064533).at n=12A096190
- Expansion of (1-3*x+3*x^2)/(1-5*x+10*x^2-10*x^3+4*x^4).at n=16A098179
- a(n) = 4^n + 2^n - 1.at n=8A099393
- p^2-p-1 that is not prime, where p is prime.at n=34A119609
- Number of nondecreasing integer sequences of length 8 with sum zero and sum of absolute values 2n.at n=24A158142
- a(n) = Fibonacci(p) mod p^2, where p = prime(n).at n=54A236395
- Numbers n of the form p^2-p-1 = A165900(p), for prime p, such that n^2-n-1 = A165900(n) is also prime.at n=13A237527
- Triangle read by rows T(n, m) = sigma^*_(n-m)(m), n >= 1, m = 1, 2, ..., n, with sigma^*_(k)(n) given in a comment in A279395.at n=69A279396
- Square roots of the deficiencies of the squares of A289274.at n=7A288144
- Square roots of the deficiencies of the squares of A289275.at n=28A288145
- Trajectory of 4 under repeated application of x -> A306958(x).at n=44A306962
- Maximal size of a Binary Decision Diagram (or BDD) of index n.at n=18A327461