28740

Appears in sequences

• a(n) = prime(n) + Fibonacci(n).at n=22A004397
• Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^5.at n=34A029842
• Numbers whose base-13 representation has exactly 5 runs.at n=9A043660
• Sum of absolute values of coefficients of expansion of (1-x)(1-x^2)(1-x^3)...(1-x^n).at n=40A061553
• a(1) = 1, a(2) = 2; then a(n) = smallest number such that there are a(n-1) composite numbers between a(n) and a(n+1) exclusive.at n=18A082281
• Expansion of (eta(q^3)eta(q^15)/(eta(q)eta(q^5)))^2 in powers of q.at n=24A093065
• Numbers n with property that n^2 is a sum of some 70 successive primes.at n=38A166256
• Expansion of e.g.f. exp(log(1+x) + log(1+x)^2).at n=8A189423
• Number of partitions of n such that the number of even parts is a part.at n=43A240573
• Numbers that are not Keith numbers in any base.at n=36A320122