48120
domain: N
Appears in sequences
- Coordination sequence for 4-dimensional primitive di-isohexagonal orthogonal lattice.at n=20A008530
- Irreducible polynomial coefficient of singular value associated with sqrt(2n).at n=29A078878
- a(n) = S2(n,2), where S2(n, t) = Sum_{k=0..n} k^t *(Sum_{j=0..k} binomial(n,j))^2.at n=5A089665
- Averages of twin primes such that p1*p2 -+ AverageTwinPrime are primes.at n=11A154668
- a(0) = 1, then a(n) = Sum_{k = floor(log_2(n)) .. n - 1} a(k).at n=18A246878
- Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=8A249661
- Numbers k such that k is the average of four consecutive primes k-11, k-1, k+1 and k+11.at n=35A259025
- a(n) = 3*2*1 + 6*5*4 + 9*8*7 + 12*11*10 + ... + (up to the n-th term).at n=28A319867
- a(n) is the n-th n-almost-prime that is a partial sum of the sequence of n-almost-primes.at n=5A382831