29412

Appears in sequences

• a(n) = n*(n + 1)*(n^2 + n + 2)/4.at n=18A001621
• Coordination sequence for A_18 lattice.at n=2A035844
• a(n) = floor(7^7/n).at n=27A057069
• Standard deviation (rounded) of primes below 10^n.at n=4A091716
• a(n) = 0^n + 2((n+1)^n - (-1)^n) / (n+2).at n=6A091759
• Let spm(n) be the sum of all prime factors of n counted with multiplicities (A001414); sequence gives numbers n such that spm(n+spm(n)) divides both n and n+spm(n).at n=16A131564
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (0, 1, 1), (1, -1, 0)}.at n=9A149890
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, -1), (0, 0, 1), (0, 1, 1), (1, -1, 0)}.at n=9A149891
• a(n) = (7*n + 3)*(7*n + 4).at n=24A177071
• Number of ways to place 6 non-attacking ferses on an n X n board.at n=4A201247
• Number of nX4 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=3A221815
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=24A221817
• Number of 4Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=3A221820
• Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=10A254903
• Oblong numbers that are the sum of 2 successive primes.at n=39A298077
• Numbers k such that 4*k + 1 is a perfect cube, sorted by absolute values.at n=24A305290
• Oblong composite numbers m such that beta(m) = tau(m)/2 - 1 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=12A326384