39236
domain: N
Appears in sequences
- Expansion of g.f. 1/(1 - 34*x + x^2).at n=3A029547
- Denominators of continued fraction convergents to sqrt(288).at n=7A041543
- a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 3.at n=33A050051
- a(n) = Pell(4n) / Pell(4).at n=4A091761
- Chebyshev polynomial of the second kind U(3,n).at n=17A144138
- Number of binary strings of length n with equal numbers of 0001 and 0101 substrings.at n=17A164158
- Numerators of a partial sum of 0, 1, 1/2, B_2, B_3, B_4,.., a modified Bernoulli sequence.at n=16A165142
- Numerators of a partial sum of 0, 1, 1/2, B_2, B_3, B_4,.., a modified Bernoulli sequence.at n=17A165142
- Expansion of (1-x)*(1-2x)*(1-3x)/((1-5x+5*x^2)*(1-3x+x^2)).at n=9A217782
- Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=3A237697
- Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=1A237699
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=11A237703
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=13A237703
- a(n) = n^3 - 2*n.at n=34A242135
- Solutions x to the negative Pell equation y^2 = 72*x^2 - 332928 with x,y >= 0.at n=12A281235
- a(n) = Pell(n^2)/Pell(n).at n=3A380083
- a(0) = 4; a(n) = Pell(4*n)/Pell(n) for n > 0.at n=4A383740
- Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of g.f. x/(1 - A002203(k)*x + (-1)^k*x^2).at n=40A383742