



0, 1, 3, 5, 8, 11, 15, 18, 22, 26, 31, 35, 40, 45, 51, 55, 60, 65, 71, 77, 83, 90, 95, 101, 107, 114, 120, 127, 134, 142, 147, 153, 159, 166, 173, 180, 188, 195, 203, 211, 219, 228, 234, 241, 248, 256, 263, 271, 279, 288, 296, 304, 313, 322, 331, 341
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,3


LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..1000


EXAMPLE

Written as a triangle:
0;
1;
3;
5,8;
11,15;
18,22,26,31;
35,40,45,51;
55,60,65,71,77,83,90;
95,101,107,114,120,127,134,142;
147,153,159,166,173,180,188,195,203,211,219,228;
234,241,248,256,263,271,279,288,296,304,313,322,331,341;


CROSSREFS

Row n has length A187219(n). Right border gives A196087.
Cf. A006128, A135010, A138121, A194548, A207035.
Sequence in context: A062009 A062484 A022433 * A081401 A003311 A108279
Adjacent sequences: A207035 A207036 A207037 * A207039 A207040 A207041


KEYWORD

nonn,tabf


AUTHOR

Omar E. Pol, Feb 21 2012


STATUS

approved



