100630
domain: N
Appears in sequences
- Number of arrays of length n that are sums of 3 consecutive elements of length n+2 permutations of 0..n+1, and no two consecutive rises or falls in the latter permutation.at n=7A229713
- T(n,k) = number of arrays of length n that are sums of k consecutive elements of length n+k-1 permutations of 0..n+k-2, and no two consecutive rises or falls in the latter permutation.at n=52A229717
- Numbers k for which 10k+1, 10k+3, 10k+7, 10k+9, 10k+31, 10k+33, 10k+37, and 10k+39 are primes.at n=0A379677