48763

Appears in sequences

• Numbers n such that n | 11^n + 10^n + 1.at n=17A057294
• a(n) = Sum_{k=0..floor(n/4)} C(n-2k,2k) * 3^k * 2^(n-4k).at n=12A100133
• E.g.f. satisfies: A(x) = exp(x*A(exp(x)-1)).at n=6A141623
• Initial term of a series of exactly n consecutive non-Niven (or Harshad) numbers.at n=36A144378
• Products of emirpimes pairs, sorted.at n=7A158126
• Number of side-2 hexagonal 0..n arrays with values nondecreasing E, SW and SE.at n=9A216938
• Somos's sequence {b(9,n)} defined in comment in A078495: a(0)=a(1)=...=a(20)=1; for n>=21, a(n)=(a(n-1)*a(n-20)+a(n-10)*a(n-11))/a(n-21).at n=50A272038
• Composite numbers k such that k-1 divides 2^k-2.at n=34A330382