Sequences

Coordination sequence for sigma-CrFe, Position Xc.

Coordination sequence for sigma-CrFe, Position Xa.

Triangle of numbers n!(n-1)!...(n-k+1)!/(1!2!...k!).

Powers of 20.

Powers of 21.

Powers of 22.

Powers of 23.

Powers of 24: a(n) = 24^n.

Powers of 25.

Powers of 26.

Powers of 27.

Powers of 28.

Powers of 29.

Powers of 30.

Powers of 31: a(n) = 31^n.

Powers of 32.

Powers of 33.

Powers of 34.

Powers of 35.

Powers of 36.

Powers of 37.

Powers of 38.

Powers of 39.

Powers of 40.

Powers of 41.

Powers of 42.

Powers of 43.

Powers of 44.

Powers of 45.

Powers of 46.

Powers of 47.

Powers of 48: a(n) = 48^n.

Numbers whose decimal digits are in strictly increasing order.

Numbers with digits in nondecreasing order.

Numbers with digits in strictly decreasing order. From the Macaulay expansion of n.

Numbers with digits in nonincreasing order.

Number of comparative probability orderings on all subsets of n elements that can arise by assigning a probability distribution to the individual elements.

Triangle in which j-th entry in i-th row is (j+1)^(i-j).

Triangle in which j-th entry in i-th row is (i+1-j)^j, 0<=j<=i.

a(0) = 1, a(n) = n^2 + 2 for n > 0.

a(0) = 1, a(n) = 5*n^2 + 2 for n>0.

a(0) = 1, a(n) = 9*n^2 + 2 for n>0.

a(0) = 1, a(n) = 11*n^2 + 2 for n>0.

a(0) = 1, a(n) = 13*n^2 + 2 for n>0.

a(0) = 1, a(n) = 15*n^2 + 2 for n>0.

Coordination sequence for C_3 lattice: a(n) = 16*n^2 + 2 (n>0), a(0)=1.

a(0) = 1, a(n) = 17*n^2 + 2 for n>0.

a(0) = 1, a(n) = 18*n^2 + 2 for n>0.

a(0) = 1, a(n) = 19*n^2 + 2 for n>0.

a(0) = 1, a(n) = 20*n^2 + 2 for n>0.