OFFSET
1,2
COMMENTS
REFERENCES
Eric Angelini, Posting to Sequence Fans Mailing List, Nov 26, 2010
EXAMPLE
If n = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ...
a(n) = 1 2 4 5 9 14 8 10 18 27 17, 6 11 15 29 44 19 36 54 35 21 42 23 46 25 50 28 55 ...
diff = 1 2 1 4 5 6 2 8 9 10 11 5 4 14 15 25 17 18 19 14 21 19 23 21 25 22
d-rank= 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
hit: * * * * * * * * * * * * *
S is tricky to compute; the rule for a(n+1) is "always use the smallest integer not yet in S and not leading to a contradiction".
'14' is in S and '14' says: "The 14th absolute first difference in S equals 14" -- which is true.
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric Angelini, Dec 31 2013
EXTENSIONS
More terms from Jon E. Schoenfield, Jan 11 2014
STATUS
approved