20284

Appears in sequences

• Self-convolution of Fibonacci numbers.at n=18A001629
• Sequence arising in search for Legendre sequences.at n=15A039792
• Even-indexed terms of A001629(n), n >= 2, (Fibonacci convolution).at n=8A054444
• 3*Fibonacci(n) - 11.at n=15A054968
• Bisection of Fibonacci triangle A037027: even-indexed members of column sequences of A037027 (not counting leading zeros).at n=46A060920
• a(1) = a(2) = a(3) = 1 and a(n) = 24*binomial(n+1, 5) + n*(n^2 - n + 6) for n > 3.at n=10A062027
• Euler transform of negative integers.at n=50A073592
• Total sum of the sums of all positive k-th ranks of all partitions of n.at n=25A208483
• Triangle of coefficients of polynomials v(n,x) jointly generated with A209830; see the Formula section.at n=53A209831
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210804; see the Formula section.at n=48A210803
• Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 9).at n=36A212368
• Number of n X 4 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=10A253219
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood.at n=32A270687
• Numbers n such that Bernoulli number B_{n} has denominator 690.at n=34A272186
• Ulam numbers k such that 4*k and 16*k are also Ulam numbers.at n=30A287634
• G.f.: Sum_{k>=0} x^(k^2) * Product_{j=1..k} ((1 + x^j)/(1 - x^j))^2.at n=24A376854
• The smallest k >= 0 that can be represented as a linear combination of 1^2, 2^2, ..., n^2 with coefficients +-1 and that cannot be represented using 1^2, 2^2, ..., m^2 with 1<=m<n.at n=39A392127