195930

Appears in sequences

• Triangle read by rows: T(n,k) = (n+1,k)-th element of (M^6-M)/5, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=40A096040
• Record (maximal) gaps between prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20).at n=1A201251