18926
domain: N
Appears in sequences
- Partial sums of A006206.at n=24A001461
- a(n) = n^3 - n^2 - n - 1.at n=27A083074
- Indices of prime Perrin numbers; values of n such that A001608(n) is prime.at n=28A112881
- Binomial centered tridigonal matrices as a triangular sequence: t(n,m.d)=If[n + m - 1 == d, binomial[d - 1, n - 1], If[n + m == d, -1, If[n + m - 2 == d, -1, 0]]].at n=32A124030
- Convolution sequence: this sequence convolved with A000041 gives powers of 2, (A000079).at n=16A152537
- Where records occur in A039996.at n=11A178597
- The number of pure inverting compositions of n.at n=17A178841
- First appearance of n in A039996: Primes embedded in prime(n).at n=13A179908
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.at n=33A273853
- Expansion of e.g.f. exp(2*(exp(x) - 1 + x)).at n=6A355247