OFFSET
1,2
COMMENTS
LINKS
Rémy Sigrist, PARI program for A293666
EXAMPLE
The following table shows the first terms, alongside the first terms of the first difference:
n a(n) a(n+1)-a(n)
-- ---- -----------
1 1 2
2 3 3
3 6 5
4 11 -7
5 4 11
6 15 -13
7 2 17
8 19 19
9 38 -31
10 7 23
11 30 29
12 59 -47
13 12 37
14 49 -41
15 8 43
16 51 53
17 104 -83
18 21 59
19 80 -71
20 9 61
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Oct 14 2017
STATUS
approved