37870

Appears in sequences

• 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11.at n=20A090890
• Number of binary words of length n containing at least one subword 1000001 and no subwords 10^{i}1 with i<5.at n=42A143285
• Number of compositions a(1),...,a(k) of n, for some k, such that a(i+1) <= a(i) + 1 for 1 <= i < k and a(1) <= a(k) + 1.at n=19A168445
• Number of length-4 0..n arrays with no repeated value unequal to the previous repeated value plus one mod n+1.at n=12A268945
• Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)*u^k*x^n/n! = exp(Sum_{n>0} u*sigma(n)*x^n/n!).at n=30A338871
• Weird untouchable numbers.at n=20A357326
• Expansion of e.g.f. (1/x) * Series_Reversion( x/(x + exp(x^3/6)) ).at n=7A370878