32521
domain: N
Appears in sequences
- Row sums of A059720.at n=7A059726
- Fourth row of Pascal-(1,2,1) array A081577.at n=10A081584
- Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the first peak equal to k (1 <= k <= n).at n=47A128744
- Numbers k such that (10^(2k+1) - 6*10^k - 1)/3 is prime.at n=20A183174
- Number of arrangements of n+2 numbers in 0..6 with each number being the sum mod 7 of two others.at n=3A183881
- T(n,k)=Number of arrangements of n+2 numbers in 0..k with each number being the sum mod (k+1) of two others.at n=39A183884
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 253", based on the 5-celled von Neumann neighborhood.at n=35A271052
- Numbers k such that 7*10^k + 43 is prime.at n=27A274692
- Number of (undirected) paths in the n-book graph.at n=19A307921