4194305

Appears in sequences

• a(n) = 2^n + 1.at n=22A000051
• Numbers that are the sum of 2 positive 11th powers.at n=6A004813
• Numbers that are the sum of at most 2 positive 11th powers.at n=11A004908
• Numbers that are the sum of at most 3 positive 11th powers.at n=21A004909
• a(n) = sigma_22(n), the sum of the 22nd powers of the divisors of n.at n=1A013970
• Jacobsthal-Lucas numbers.at n=22A014551
• Numerator of sum of -22nd powers of divisors of n.at n=1A017707
• Pisot sequence L(5,9).at n=20A020737
• a(n) = Sum_{ k, k|n } 2^(k-1).at n=22A034729
• Centered cube numbers: (n+1)^22 + n^22.at n=1A036100
• Numbers whose cube is palindromic in base 4.at n=12A046231
• a(n) = T(7,n), array T given by A048472.at n=16A048479
• Pisot sequence L(3,5).at n=21A048578
• Number of conjugacy classes in Clifford group CL(n).at n=22A049332
• a(n) = (1/2)*A050871 (row sums of array T in A050870, periodic binary words).at n=23A050872
• If n is even then 2^n+1 otherwise 2^n.at n=22A052531
• a(n) = 4^n + 1.at n=11A052539
• a(2*n+1) = 1, a(2*n) = 2*a(2*n-2) - 1.at n=44A052552
• Numbers of the form 2^k+1 or 4^k-2^k+1.at n=33A064386
• Squarefree part of 2^n+1 : the smallest number such that a(n)*(2^n+1) is a square.at n=22A069111