84510
domain: N
Appears in sequences
- a(n)/100000 gives log_10(n) to 5 places.at n=6A027665
- Numbers k such that k!!!!!! - 1 is prime.at n=23A051592
- Card-matching numbers (Dinner-Diner matching numbers).at n=24A059058
- Card-matching numbers (Dinner-Diner matching numbers).at n=17A059068
- Numbers k divisible by at least one nontrivial permutation (rearrangement) of the digits of k, excluding all permutations that result in digit loss.at n=33A090056
- Number of permutations of n distinct letters (ABCD...) each of which appears thrice with two fixed points.at n=3A124042
- Triangle read by rows: T(n,k) = K(n,1)*I(k,1) - (-1)^(n+k)*I(n,1)* K(k,1), where I(n,x) and K(n,x) are Bessel functions; 0<=k<=n.at n=38A246658