31250

Appears in sequences

• Numbers that are the sum of 2 nonzero 6th powers.at n=14A003358
• Numbers that are the sum of at most 2 nonzero 6th powers.at n=20A004853
• Positive integers n such that n | (2^n + n/2 + 1).at n=12A015945
• Numbers k such that k | 3^k + 1.at n=10A015949
• Numbers k such that k | 7^k + 1.at n=11A015954
• Numbers k such that k | 13^k + 1.at n=31A015963
• Expansion of (1-3*x)/(1-5*x).at n=7A020699
• Pisot sequences E(2,10), L(2,10), P(2,10), T(2,10).at n=6A020729
• Ordered sequence of distinct terms of the form floor(x^i * floor(x^j)), i,j >= 0, where x = sqrt(5).at n=41A022770
• Numbers of form 5^i*10^j, with i, j >= 0.at n=20A025625
• a(n) = 5*a(n-2), starting 1,2.at n=13A026383
• a(n) = 5*a(n-2), starting 1,2,4.at n=13A026395
• a(n) = 2*n^3.at n=25A033431
• Numbers whose prime factors are 2 and 5.at n=37A033846
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*5^j.at n=17A038247
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*5^j.at n=18A038247
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*10^j.at n=16A038252
• Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*5^j.at n=19A038307
• Numbers k that divide 6^k + 2^k.at n=29A045579
• Numbers k that divide 8^k + 6^k.at n=32A045601