27732
domain: N
Appears in sequences
- a(n) = minimal m such that m>n, n divides m, n-1 divides m-1, n-2 divides m-2 and so on down to 1 divides m-n+1.at n=11A060401
- Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutation A130369/A130370.at n=11A130378
- Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.at n=24A173719
- Smallest integer m greater than n such that m (mod k) == n (mod k) for k = 1..n-1.at n=11A195507
- Self-composition of the number of divisors function (A000005).at n=10A307305
- Number of fixed n-polyominoids, allowing both corner- and edge-connections.at n=3A365651
- Expansion of (1+x) / (1-x-4*x^2+2*x^3).at n=12A384605