1073774593

Appears in sequences

• a(n) = 1^n + 2^n + 4^n.at n=15A001576
• a(n) = sigma_15(n), the sum of the 15th powers of the divisors of n.at n=3A013963
• Numerator of sum of -15th powers of divisors of n.at n=3A017693
• 9th cyclotomic polynomial evaluated at powers of 2.at n=5A020517
• Numbers whose cube is palindromic in base 8.at n=17A046239
• Numbers of the form (8^{mr}-1)/(8^r-1) for positive integers m, r.at n=25A076287
• a(n) = (2^(2^n) + 1 + 2^(2^(n + 1) - 1) + 1)/2.at n=4A119572
• Numbers whose binary expansion has only the digit "1" as first, central and final digit.at n=15A135576
• a(n) = 1 + sigma(n)^3 + sigma(n)^6.at n=20A259369