18852
domain: N
Appears in sequences
- Numbers having four 4's in base 8.at n=27A043440
- McKay-Thompson series of class 15C for Monster.at n=17A058510
- Diagonal sums of number array A082043.at n=14A082045
- a(n) = n^4 - n^3 - n^2 - n.at n=12A152016
- McKay-Thompson series of class 15C for the Monster group with a(0) = 3.at n=17A153084
- Number of partitions p of n including ceiling(mean(p)) as a part.at n=40A241336
- Numbers k such that 10^k - 801 is prime.at n=27A271618
- Quasi-Repfigit numbers (or Quasi-Keith numbers).at n=20A319746
- a(n) is the first even number k such that there are exactly n pairs (p,q) where p and q are prime, p<=q, p+q = k, and p+A001414(k) and q+A001414(k) are also prime.at n=50A357816
- Number of partitions of [n] such that the element sum of each block is one more than a multiple of four.at n=13A375939