OFFSET
0,3
COMMENTS
Essentially the first differences of A233760.
LINKS
EXAMPLE
Written as an irregular triangle in which the row lengths is A011782 the sequence (starting from 1) begins:
1;
2;
2,4;
2,4,6,8;
2,4,6,12,14,12,14,16;
2,4,6,12,14,20,22,26,22,12,18,32,38,28,30,32;
2,4,6,12,14,20,22,26,22,20,30,44,62,52,46,54,38,12,18,36,46,56,62,74,74,30,42,72,86,60,62,64;
Right border gives A000079.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Dec 16 2013
STATUS
approved