66948

Appears in sequences

• E.g.f.: A(x) = -log(3-exp(x)-exp(x^2)).at n=7A194004
• Number of n X 2 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=8A230990
• T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=46A230994
• Number of length n+6 0..4 arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=0A249193
• T(n,k)=Number of length n+6 0..k arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=6A249197
• Number of length 1+6 0..n arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=3A249198
• a(n) is the number of consecutive even prime gaps (g1, g2) satisfying g1 == 2 (mod 6) and g2 == 0 (mod 6) out of the first 2^n consecutive even prime gaps.at n=19A346776