345856
domain: N
Appears in sequences
- Number of down-up permutations of n+3 starting with n+1.at n=9A006212
- Read across rows of Euler-Bernoulli or Entringer triangle.at n=44A008283
- a(n) = number of partitions of primes into distinct (also odd) parts.at n=24A064688
- Number of ways to partition 4*n+1 into distinct positive integers.at n=24A078409
- E.g.f.: Sum_{n>=0} tanh(n*x)^n.at n=5A221077