33554
domain: N
Appears in sequences
- Sort then Add, a(1)=5.at n=14A033894
- Sort then Add, a(1)=31.at n=11A033905
- Sort then Add, a(1)=20.at n=12A033906
- Trajectory of 1 under map n->13n+1 if n odd, n->n/2 if n even.at n=18A033964
- Indices of primes in sequence defined by A(0) = 17, A(n) = 10*A(n-1) - 3 for n > 0.at n=26A102024
- The dimension of the space of invariant tensors in the n-th tensor power of the adjoint representation of the exceptional Lie algebra E6.at n=9A179684
- Number of 2-Motzkin paths with no level steps at height 1.at n=11A253831
- a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 1, a(3) = -2.at n=29A295672
- E.g.f. A(x) satisfies A(x) = 1 + 2 * (exp(x) - 1) * A(2 * (exp(x) - 1)).at n=4A355131
- Array read by rows: T(m,n) is the number of m-digit semiprimes with last digit n, 0 <= n <= 9.at n=53A374940