-509
domain: Z
Appears in sequences
- A measure of how close the golden ratio is to rational numbers.at n=49A066212
- Lower triangular matrix T, read by rows, such that the row sums of T^n form the (2n)-dimensional partition numbers.at n=72A096652
- a(n) = -n^2 + 9*n + 23.at n=28A126719
- a(0) = 121; for n>0, a(n) = a(n-1) - n + 1.at n=36A137517
- Inverse binomial transform of A070366.at n=10A146321
- a(n)= -3a(n-1)-3a(n-2)-2a(n-3), n>3. a(0)=4, a(1)=4, a(2)=-5, a(3)=4.at n=10A158935
- Primes or negative values of primes of the form 8*n^2 - 298*n + 2113 for n >= 0.at n=23A217439
- Primes or negative values of primes of the form 8*n^2 - 326*n + 2659 for n >= 0.at n=16A217440
- Table T(n,k) = 3^n - 2^k read by antidiagonals.at n=64A254027
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood.at n=13A271457
- a(0) = 0, a(n) = -5*a(n/3) if n is divisible by 3, otherwise a(n) = n + a(n-1).at n=61A318488
- Square array A(n, k) = A329644(prime(n)^k), read by falling antidiagonals: (1,1), (1,2), (2,1), (1,3), (2,2), (3,1), ...at n=53A329637