23769
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(881).at n=10A042703
- Numbers k such that 10^k + k is prime.at n=6A089379
- Numbers k such that if you subtract k from its reversal you get a positive number with the same digits as k.at n=8A121970
- 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, 0, 1), (0, 1, -1), (1, -1, 0), (1, 1, 1)}.at n=8A149704
- a(n) = smallest k having at least three prime divisors d such that (d + n) | (k + n).at n=30A202158
- Number of (w,x,y) with all terms in {0,...,n} and w<x+y and x<y.at n=38A212980
- Number of nX3 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=6A317460
- Number of n X 7 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=2A317464
- T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=38A317465
- T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=42A317465