20709
domain: N
Appears in sequences
- Numbers that are the sum of 9 nonzero 8th powers.at n=31A003387
- Numbers that are the sum of 5 positive 9th powers.at n=8A003394
- Numbers that are the sum of at most 5 positive 9th powers.at n=32A004889
- Numbers that are the sum of at most 6 positive 9th powers.at n=41A004890
- Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 19 (most significant digit on right).at n=25A061972
- Starting numbers for which the RATS sequence has eventual period 3.at n=1A114613
- Product of successive primes minus 2.at n=33A124669
- (k^2)-th k-smooth number for k = prime(n).at n=20A133581
- Number of (n+1) X 2 0..2 arrays with every 2 x 2 subblock summing to 4.at n=7A183624
- Number of (n+1) X 9 0..2 arrays with every 2 X 2 subblock summing to 4.at n=0A183631
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 4.at n=28A183632
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 4.at n=35A183632
- T(n,k)=Number of nXk 0..2 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=46A223022
- Number of 3Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=12A303198