59392
domain: N
Appears in sequences
- Theta series of laminated lattice LAMBDA_9.at n=13A005933
- 12-almost primes (generalization of semiprimes).at n=33A069273
- a(i) = the number of occurrences of 9's in the palindromic compositions of n=2*i-1 = the number of occurrences of 10's in the palindromic compositions of n=2*i.at n=11A079862
- Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10.at n=19A195069
- Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(3i-j, 3j-i), as in A204156.at n=27A204157
- Bit reversed 16-bit numbers.at n=23A217589
- Numbers of the form 7^j + 9^k, for j and k >= 0.at n=33A226831
- Decimal representation of the n-th iteration of the "Rule 25" elementary cellular automaton starting with a single ON (black) cell.at n=22A266443
- Numbers n such that s2/s1 is an integer, where s1 is the sum of the odd numbers and s2 is the sum of the even numbers in the Collatz (3x+1) iteration of n.at n=34A274796
- a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = 2*i + j.at n=4A278927
- Smallest number k that cannot be expressed as x^2 + y^2 + z^2 + w^2 where x >= y >= z >= w >= 0 and x > floor(sqrt(k)) - n, but can be so expressed if x = floor(sqrt(k)) - n.at n=18A285552
- 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 113", based on the 5-celled von Neumann neighborhood.at n=22A285840
- 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 390", based on the 5-celled von Neumann neighborhood.at n=15A287982
- Expansion of e.g.f. exp(2 * x * cosh(x)).at n=8A352644
- a(n) is the least number with n prime factors (counted with multiplicity) that is the concatenation of two primes.at n=11A374669
- a(n) is the (n-1)-st frugal number in base n.at n=35A379539