71190
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of permutations p of [n] in which exactly the first k terms satisfy the up-down property, i.e., p(1)<p(2), p(2)>p(3), p(3)<p(4), ...at n=51A092580
- Numbers k such that k^6 + 82991 is prime.at n=15A126893
- Number of binary strings of length n with equal numbers of 00000 and 00110 substrings.at n=17A164183