2097154

Appears in sequences

• Numbers that are the sum of 4 nonzero 10th powers.at n=25A004804
• a(n) = (n-1)*2^n + 2.at n=17A048495
• Number of conjugacy classes in Clifford group CL(n).at n=21A049332
• a(n) = 2^n + 2.at n=21A052548
• Number of elements in the continued fraction for Sum_{k=0..n} 1/2^2^k.at n=22A056469
• a(n)=2a(n-1)+a(n-2)-2a(n-3).at n=20A087288
• a(n) = A089709(n+1)/A089709(n).at n=21A089985
• Bitwise XOR of adjacent terms of A101120; also the nonzero terms of A101122.at n=18A101121
• a(n) = (A102371(n) + n)/2.at n=21A103745
• a(n) = A102371(n) + n. Or, 2*A103745.at n=21A105024
• a(0) = 2, a(n) = 2^n + 2 for n>=1.at n=21A133140
• Binomial transform of [1, 5, -1, 5, -1, 5, ...]. Inverse binomial transform of A134350.at n=20A134351
• a(n) = a(n-1) + 2a(n-2).at n=21A135440
• a(n) = 3*a(n-1) - 3*a(n-2) + 2*a(n-3), with a(0) = a(1) = -1 and a(2) = 3.at n=21A135446
• n*(n^10+1)/2.at n=4A168119
• Sequence defined by a(0)=a(1)=a(2)=1, a(3)=2, a(4)=6 and the formula a(n)=2^(n-2)+2 for n>=5.at n=23A174316
• Expansion of (1 + 2*x + 6*x^2)/(1 - x - x^2 - 2*x^3) in powers of x.at n=20A186575
• 1/4 the number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=40A209722
• Minimal number (in decimal representation) with n nonprime substrings in base-8 representation (substrings with leading zeros are considered to be nonprime).at n=35A217108
• Interleave 2^n + 2 and 2^n + 1.at n=40A261723