login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A171384
a(n) = A140475(n) - A167707(n).
0
1, 4, 4, 6, 6, 9, 10, 13, 18, 18, 23, 26, 27, 30, 34, 39, 40, 45, 47, 48, 53, 56, 61, 68, 70, 71, 74, 75, 78, 91, 93, 98, 99, 108, 108, 113, 118, 121, 125, 130, 131, 140, 141, 143, 144, 155, 166, 169, 170, 172, 177, 178, 187, 192, 197, 201, 202, 207, 210, 210, 219
OFFSET
1,2
EXAMPLE
a(1)=1-0=1, a(2)=5-1=4, a(3)=7-3=4, a(4)=11-5=6, a(5)=13-7=6, a(6)=17-8=9.
CROSSREFS
Sequence in context: A179278 A365216 A132882 * A226833 A262260 A203632
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by Omar E. Pol, Apr 14 2010
STATUS
approved