25868

Appears in sequences

• a(n) = C(n+3,4) + 3*C(n+1,3) + 5*C(n-1,2) + 7*n - 15.at n=22A034858
• a(n) = C(n+3,4) + 3*C(n+1,3) + 5*C(n-1,2) + 7*n - 15 for n >= 3; a(1)=1, a(2)=10.at n=23A034859
• Analog of A059226 in which left diagonal is all 1's.at n=33A059274
• Triangle read by rows: T(n,k) is the number of deco polyominoes of height n such that the bottom of the last column is at level k (n>=1; k>=0). A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.at n=32A121632
• Floor of the expected value of number of trials until exactly two cells are empty in a random distribution of n balls in n cells.at n=19A210113
• Number of squarefree words of length n in a 5-ary alphabet, with new values 0..4 introduced in increasing order.at n=10A215071
• Positions of records in the continued fraction expansion of log(10).at n=11A228345