20142
domain: N
Appears in sequences
- McKay-Thompson series of class 21A for Monster.at n=25A058563
- Least n such that nextprime(p*n) > p*nextprime(n) where p runs through the prime numbers (if p is prime then nextprime(p)=p).at n=22A117102
- Number of partitions of n such that (greatest part) - (least part) < number of parts.at n=39A237830
- Positive even numbers which are neither of the form p + 2^m + 1 nor of the form p + 2^m - 1 with p prime.at n=30A270446
- Number of binary strings of length n avoiding 4-antipowers.at n=32A275061
- Number of aperiodic n-gons.at n=8A324512
- G.f. satisfies A(x) = 1 + x*A(x) / (1 + x)^5.at n=12A365084
- G.f. satisfies A(x) = (1 + x / (1 - x*A(x)))^3.at n=8A365119