32319
domain: N
Appears in sequences
- Coefficients of Chebyshev polynomials.at n=17A005583
- Odd numbers to the left of the central elements of the (1,2)-Pascal triangle A029635.at n=55A029646
- Odd numbers to the right of the central elements of the (2,1)-Pascal triangle A029653 that are different from 1.at n=31A029668
- Numbers having four 7's in base 8.at n=14A043452
- Lesser of two consecutive numbers each divisible by a fifth power.at n=9A068783
- Numbers k that divide A005554(k) (the sum of consecutive Motzkin numbers).at n=41A081741
- Numbers whose set of base 8 digits is {0,7}.at n=27A097254
- Heptagonal numbers for which the sum of the digits is also a heptagonal number.at n=28A117650
- Heptagonal numbers divisible by 7.at n=33A117795
- Minimal isotopy classes of Latin trades of size n.at n=15A133170
- Numbers m such that m*reversal(m) contains every decimal digit exactly once.at n=18A178929
- The Wiener index of the Dutch windmill graph D(6,n) (n>=1).at n=26A180578
- Let i be in {1,2,3,4} and let r >= 0 be an integer. Let p = {p_1, p_2, p_3, p_4} = {-2,0,1,2}, n=3*r+p_i, and define a(-2)=0. Then a(n)=a(3*r+p_i) gives the quantity of H_(9,2,0) tiles in a subdivided H_(9,i,r) tile after linear scaling by the factor Q^r, where Q=sqrt(x^2-1) with x=2*cos(Pi/9).at n=39A187500
- Numbers k such that k^2 +- k +- 1 is prime for all four possibilities.at n=11A236056
- Decimal representation of the n-th iteration of the "Rule 1" elementary cellular automaton starting with a single ON (black) cell.at n=7A265721
- Decimal representation of the n-th iteration of the "Rule 91" elementary cellular automaton starting with a single ON (black) cell.at n=7A267042
- Decimal representation of the n-th iteration of the "Rule 201" elementary cellular automaton starting with a single ON (black) cell.at n=7A267681
- Numbers n such that n^2048 + (n+1)^2048 is prime.at n=27A274235
- Numbers k such that {k + 2, k + 4} and {k^3 + 2, k^3 + 4} are twin prime pairs.at n=11A284058
- a(n) = n*(2*n - 3 - (-1)^n)*(5*n - 2 + (-1)^n)/16.at n=37A308025