2,1

Table of n, a(n) for n=2..75.

Flatten[Table[Floor[Binomial[n, k]/k], {n, 20}, {k, n-1}]] (* Harvey P. Dale, Apr 19 2015 *)

Columns include A011848, A011849, A011850, A011851, A011852, A011853, A011854, A011855, A011856. Row sums are in A101687. Cf. A011847.

Sequence in context: A125161 A125933 A255054 * A242360 A299927 A006021

Adjacent sequences: A011854 A011855 A011856 * A011858 A011859 A011860

tabl,nonn,easy

N. J. A. Sloane.

approved