43218

Appears in sequences

• Ordered sequence of distinct terms of the form floor(x^i * floor(x^j)), i,j >= 0, where x = sqrt(7).at n=37A022771
• Numbers n such that A048767(n) = n.at n=33A048768
• a(n) = Sum_{d|n, d=3 mod 4} d^3.at n=34A050454
• a(n) = Sum_{d|n, n/d=1 mod 4} d^3.at n=34A050462
• Primal codes of finite permutations on positive integers.at n=43A109297
• Primal codes of finite idempotent functions on positive integers.at n=11A109298
• Numbers k such that the decimal digits of phi(k) are a permutation of those of k.at n=36A115921
• Non-deficient numbers with odd sigma such that the sum of the even divisors is twice the sum of the odd divisors.at n=27A171642
• Number of right triangles on a (n+1)X6 grid.at n=31A189810
• a(n) = n^4 + 2^4 + (n+2)^4.at n=11A190176
• Numbers that are the sum of three biquadrates (fourth powers) in more than one way.at n=3A193244
• a(n) = A276086(A276086(n)), where A276086 is the primorial base exp-function.at n=18A276087
• Numbers that are the sum of 3 nonzero 4th powers in more than one way.at n=6A309762
• Fully multiplicative with a(prime(k)) = Lucas(2*(k+1)) for k-th prime p, where Lucas(n) = A000032(n).at n=47A324900
• Iterates of A276086 starting from 0.at n=8A328316
• a(n) = A276086(A276086(A276086(n))), where A276086(n) converts primorial base expansion of n into its prime product form.at n=5A328403
• a(n) = Product_{d|n, d>1} A000040(A297113(d)), where A000040(n) gives the n-th prime, and A297113(n) = the excess of n plus the index of the largest dividing prime (A046660 + A061395).at n=41A332461
• Numbers that are the sum of three fourth powers in exactly two ways.at n=6A344192
• a(n) = A276086(A328623(n)).at n=33A346233
• Numbers k for which sqrt(k/2) divides k and the symmetric representation of sigma(k) consists of a single part and its width at the diagonal equals 1.at n=34A365265