A332564 - OEIS

A332564

Lexicographically earliest sequence of distinct positive terms such that the cumulative sum of the first a(n) terms ends in a(n).

1, 3, 9, 5, 7, 8, 14, 11, 21, 12, 20, 101, 15, 87, 201, 17, 85, 19, 83, 301, 401, 23, 79, 25, 77, 27, 75, 29, 73, 31, 71, 33, 69, 35, 67, 37, 65, 39, 63, 41, 61, 43, 59, 45, 57, 47, 55, 49, 53, 51, 151, 54, 148, 501, 601, 58, 144, 701, 801, 62, 140, 901, 1001, 66, 136, 1101, 1201, 70, 132, 1301, 1401, 74

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Carole Dubois, Table of n, a(n) for n = 1..5000

EXAMPLE

The cumulative sum of the first term (1) ends in 1;

the cumulative sum of the first 3 terms (1+3+9=13) ends in 3;

the cumulative sum of the first 9 terms (1+3+9+5+7+8+14+11+21=79) ends in 9;

the cumulative sum of the first 5 terms (1+3+9+5+7=25) ends in 5;

the cumulative sum of the first 7 terms (1+3+9+5+7+8+14=47) ends in 7;

the cumulative sum of the first 8 terms (1+3+9+5+7+8+14+11=58) ends in 8;