18957
domain: N
Appears in sequences
- McKay-Thompson series of class 24F for Monster.at n=28A058576
- McKay-Thompson series of class 24d for Monster.at n=56A058587
- a(n) = (1/3!)*(n^3 + 24*n^2 + 107*n + 90), compare A059604.at n=41A059605
- a(n+2) = 9*a(n+1) - a(n), a(0) = 3, a(1) = 27.at n=4A065100
- a(n) = (1/12)*(n+1)*(n^3+19*n^2+118*n+228).at n=18A092327
- Coefficients of replicable function number 24e.at n=56A112163
- Integers b > 0 for which there exists a positive integer a <= b such that (a^2 + b^2) / (1 + a*b) is an integer.at n=38A115169
- Largest number not the sum of n distinct nonzero squares.at n=32A129210
- Numbers k such that (7*10^(2k+1) - 18*10^k - 7)/9 is prime.at n=14A183180
- Number of (w,x,y) with all terms in {0,...,n} and w <= x + y and x < y.at n=35A212981
- Number of palindromic compositions of n into nonprime numbers.at n=51A276421
- Number of compositions (ordered partitions) of n into tetrahedral (or triangular pyramidal) numbers (A000292).at n=31A282582
- Sum of the largest parts in the partitions of n into 6 squarefree parts.at n=50A308911