77124

Appears in sequences

• Probable extension of A013704.at n=36A025495
• Number of -n..n arrays x(0..4) of 5 elements with zero sum and no two consecutive zero elements.at n=8A199532
• Triangle T(n, k) = Numbers of ways to place k points on a triangular grid of side n so that no three of them are vertices of an equilateral triangle with sides parallel to the grid. Triangle read by rows.at n=44A243211
• Number of ways to place 5 points on a triangular grid of side n, so that no three of them are vertices of an equilateral triangle with sides parallel to the grid.at n=4A243214
• a(n+1) is the least k such that k - (a(n-1)+a(n)) and k + (a(n-1)+a(n)) are primes; a(0)=0, a(1)=1.at n=21A381328