143327232

Appears in sequences

• a(n) = Product{k|n} k^(n/k); product is over the positive divisors of n.at n=11A066841
• Expansion of 3*(1+2*x+6 x^2)/(1-24*x^3).at n=17A076510
• Euler totient function phi values of multiperfect numbers.at n=15A098203
• a(n) = n!/A102356(n).at n=25A102456
• Start with 1; multiply alternately by 4 and 3.at n=15A282023
• Numbers k such that k^4 is sum of two positive 7th powers.at n=16A291830
• a(n) = phi(n^8) = n^7*phi(n).at n=11A306412
• a(n) = 4*(n+4)^(n-1).at n=8A362355