34449

Appears in sequences

• a(n) = 6*a(n-1) - 9*a(n-2) + n + 1.at n=10A121365
• Number of strings of numbers x(i=1..n) in 0..8 with sum i^4*x(i) equal to n^4*8.at n=9A184347
• a(1) = 1, a(n) = smallest positive number not yet in the sequence such that the concatenation of a(n-1) and a(n) is a square.at n=11A264770
• Numbers n such that the decimal number concat(7,n) is a square.at n=37A273362
• Total number of divisors d of m (counted with multiplicity), such that the prime signature of d is a partition of four and m runs through the set of least numbers whose prime signature is a partition of n.at n=12A309919
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} 2^j * binomial(n,j) * binomial(k*n+j+1,n)/(k*n+j+1).at n=49A336574