118272

Appears in sequences

• a(n) = 2*a(n-2) + 4*a(n-3), with initial terms 0, 3, 3.at n=17A134068
• Number of permutation symbols of type *r(n) for hyperbolic archimedean tessellations of rank n.at n=17A142871
• A bisection of A142871.at n=8A142877
• Triangle T(n, k) = binomial(n, k)*A000166(n-k)*k^n with T(0, 0) = 1, read by rows.at n=30A156788
• G.f.: Sum_{n>=0} A155585(2n+1)*log(1-2x)^n/n!, where (1-2*x)^2/(1-2*x+2*x^2) = Sum_{n>=0} A155585(n)*log(1-2x)^n/n!.at n=5A167540
• Fourth accumulation array, T, of the natural number array A000027, by antidiagonals.at n=69A185509
• Number of lower triangles of an n X n 0..3 array with new values introduced in row major order 0..3 and no two horizontal or vertical neighbors of any element equal.at n=7A194888
• T(n,k)=Number of lower triangles of an n X n 0..k array with new values introduced in row major order 0..k and no two horizontal or vertical neighbors of any element equal.at n=52A194893
• Integer areas of the integer-sided triangles such that the length of the circumradius is a square.at n=32A230479
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=16A290670
• Coefficients T(n,k) of x^n*y^(n-k)*z^k in function A = A(x,y,z) such that A = 1 + x*B*C, B = 1 + y*C*A, and C = 1 + z*A*B, as a triangle read by rows.at n=39A323324
• Coefficients T(n,k) of x^n*y^(n-k)*z^k in function A = A(x,y,z) such that A = 1 + x*B*C, B = 1 + y*C*A, and C = 1 + z*A*B, as a triangle read by rows.at n=41A323324
• Numbers whose product of prime indices is twice their sum of prime indices.at n=42A326151
• T(n, k) = 2^n * n! * [x^k] [z^n] (exp(z) + 1)^2/(4*exp(x*z)), triangle read by rows, for 0 <= k <= n.at n=38A326479
• Numbers k such that the sums of digits of k and 1/k in factorial base (A007623) are equal.at n=38A373084
• For n >= 2, let b(n) = 1 if A379899(n) is 3 mod 4, 0 if A379899(n) is 1 mod 4; form the RUNS transform of {b(n), n >= 2}.at n=11A379783
• The base-2 logarithm of this sequence equals the Q statistic value of the greedy-from-the-bottom tree with n leaves, which is the minimal Q statistic value for n.at n=10A386912
• Expansion of e.g.f. 1/(1 + x*log(1-x)^3).at n=8A392824
• Expansion of e.g.f. -LambertW(x*log(1-x)^3).at n=8A392918