24092

Appears in sequences

• Numbers whose base-5 representation contains exactly three 2's and three 3's.at n=26A045277
• a(n) is the least index such that the least primitive root of the a(n)-th prime is n, or zero if no such prime exists.at n=46A066529
• Least k such that the least positive primitive root of prime(k) equals prime(n).at n=14A079060
• Number of self-polar configurations of type (n_3).at n=15A098702
• Number of nX3 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=5A223151
• T(n,k)=Number of nXk 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=30A223154
• T(n,k)=Number of nXk 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=33A223154
• Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3 X 3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=7A252186
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=37A252192
• Number of Dyck paths of semilength n such that the maximal number of peaks per level equals six.at n=7A288747
• Number of length-n binary strings where some nonempty proper prefix is the reverse of a cyclic shift (conjugate) of a suffix.at n=14A323445
• G.f.: Sum_{n>=0} (n+1) * x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+2).at n=66A326285
• Expansion of (1/x) * Series_Reversion( x / (1+x+x^4/(1+x)) ).at n=16A369525