A334631 - OEIS

A334631

a(n) = number of letters in the sum of all previous terms, with a(1) = 1 (in US English, excluding spaces and hyphens).

%I #38 Sep 26 2020 11:10:09

%S 1,3,4,5,8,9,6,9,9,9,10,12,10,10,14,18,21,20,22,10,13,21,19,20,21,16,

%T 18,23,20,21,14,18,21,20,22,22,19,22,16,21,22,18,21,20,22,12,18,18,22,

%U 19,22,18,22,20,22,23,18,21,20,22,22

%N a(n) = number of letters in the sum of all previous terms, with a(1) = 1 (in US English, excluding spaces and hyphens).

%e a(4) = 5, as a(1) + a(2) + a(3) = 8 and 8 has 5 letters in English.

%Y Cf. A000655, A005589.

%K nonn,word,easy,less

%O 1,2

%A _Robert Bilinski_, Sep 14 2020