74431
domain: N
Appears in sequences
- Number of partitions into non-integral powers.at n=33A000158
- From a definite integral.at n=12A002570
- a(n) = n*(5*n^2 - 3)/2.at n=31A063522
- Composites which use less than all of their digits in their prime factorization.at n=14A074211
- Triangle read by rows: Stirling2 triangle with scaled diagonals (powers of 7).at n=16A075502
- Second column of triangle A075502.at n=4A075921
- Numbers k such that k has at least two distinct prime factors and if a prime p divides k then (p-1) | (k-1) and (p+1) | (k+1).at n=0A079543
- A bisection of A063522.at n=15A160674
- Triangle read by rows in which row n lists n+1 terms, starting with n^5 and ending with n^6, such that the difference between successive terms is equal to n^5 - n^4.at n=32A163285
- Composite numbers k such that for all primes p dividing k, p-1 divides k-1 and p+1 divides k+1.at n=24A304291
- Numbers m > 1 such that every prime divisor p of m satisfies s_p(m) = p.at n=26A324458