27692
domain: N
Appears in sequences
- Convolution of A023532 and Lucas numbers.at n=19A023597
- a(n) = (1/6)*n^5 - (19/8)*n^4 + (51/4)*n^3 - (253/8)*n^2 + (445/12)*n - 14.at n=13A059999
- a(n) = n plus sum of previous three terms.at n=16A062544
- Indices of primes in the sequence defined by A(0) = 23, A(n) = 10*A(n-1) - 27 for n > 0.at n=19A101951
- Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.at n=3A221802
- Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.at n=2A221803
- T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.at n=17A221804
- T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.at n=18A221804
- Number of (n+1)X(5+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.at n=1A232905
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.at n=16A232908
- Number of (2+1) X (n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.at n=4A232910
- a(n) = n*(n+1)*(13*n+2)/6.at n=23A257093
- Number of nX3 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=6A278172
- Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=2A278176
- T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=38A278177
- T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=42A278177
- Number of nX2 0..1 arrays with no 1 equal to more than one of its king-move neighbors.at n=9A282641
- Number of Dyck paths of semilength n such that the number of peaks is strongly increasing from lower to higher levels and no positive level is peakless.at n=14A288147