A120206 a(1)=5; a(n)=floor((49+sum(a(1) to a(n-1)))/9).

5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 25, 28, 31, 34, 38, 42, 47, 52, 58, 64, 71, 79, 88, 98, 109, 121, 134, 149, 166, 184, 205, 227, 253, 281, 312

Offset: 1

Author

Graeme McRae, Jun 10 2006

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A073941, A112088, A072493.

Programs

Mathematica

nxt[{t_,a_}]:=With[{c=Floor[(49+t)/9]},{t+c,c}]; NestList[nxt,{5,5},40][[;;,2]] (* Harvey P. Dale, May 23 2025 *)