96720

Appears in sequences

• Numbers k that divide the (left) concatenation of all numbers <= k written in base 19 (most significant digit on left).at n=57A029488
• a(n) = 4*n^4 + 24*n^3 + 48*n^2 + 36*n + 8.at n=11A086302
• Numbers with prime factorization p*q*r*s*t^4 (where p, q, r, s, t are distinct primes).at n=34A190110
• Expansion of 1/((1-x)^4*(1-6x)).at n=6A229702
• Interpret the values of the Moebius function mu(k) for k = 1 to n as a balanced ternary number.at n=12A292524
• Numbers of the form p^2 - 1 where p is a prime of the form 3*k-1 (A003627).at n=33A301812
• a(n) = 144*n^2 - 24*n (n>=1).at n=25A305072
• Numbers k such that 361*2^k+1 is prime.at n=8A323005
• a(n) is the least positive integer not already in the sequence with the property that the concatenation a(0)a(1)...a(n) forms an integer with n distinct prime factors.at n=13A366896