22076

Appears in sequences

• a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.at n=38A003520
• Expansion of 1/(1 -x^5 -x^6 -x^7 - ...).at n=43A017899
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2,3}.at n=40A079955
• Sum C(n-4k,k-1), k=0..floor(n/5).at n=42A099562
• Expansion of 1/(1 - x - 2*x^3 - x^5).at n=19A193147
• a(n) is the least value of k such that the decimal expansion of n^k contains nine consecutive identical digits.at n=7A217164
• a(n) is the smallest b > 1 such that p = prime(n) satisfies b^(p-1) == 1 (mod p^3).at n=43A249275
• Number of unrooted unlabeled bipartite cubic maps on a compact closed oriented surface with 2*n vertices (and thus 3*n edges).at n=5A292207
• Number of compositions (ordered partitions) of n into distinct parts, the least being 3.at n=41A339164
• G.f. satisfies A(x) = 1 + x*A(x) - x^2*A(x)^3.at n=13A367028
• Number of compositions of 5*n-2 into parts 1 and 5.at n=7A369837