63423

Appears in sequences

• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=19A046321
• Numbers n such that n | 7^n + 6^n + 5^n + 4^n + 3^n + 2^n.at n=17A057262
• Lesser of two consecutive numbers each divisible by a fifth power.at n=17A068783
• Lesser of two consecutive numbers each divisible by a sixth power.at n=2A068784
• a(n) = 3*a(n-2) + 3*a(n-3), a(0)=1, a(1)=0, a(2)=3.at n=16A099094
• Duplicate of A099094.at n=16A099465
• a(n) = 3^n*Lucas(n), where Lucas = A000204.at n=6A127210
• Smallest of three consecutive integers divisible respectively by three consecutive squares greater than 1.at n=18A178919
• (n-1)-st elementary symmetric function of the first n terms of the periodic sequence (3,1,3,1,3,1,3,1,...).at n=14A203231
• Hilltop maps: number of n X 2 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 n X 2 array.at n=7A218313
• T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nXk array.at n=37A218319
• T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nXk array.at n=43A218319
• T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..2 nXk array.at n=37A219063
• Expansion of (Product_{k>0} (1 - x^(3*k)) / (1 - x^k))^3 in powers of x.at n=19A285927