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A140401
Let S be the set of numbers formed from the sum of three distinct elements of A140398, or the sum of three distinct elements of A140399, or the sum of three distinct elements of A140400; sequence gives complement of S.
2
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 21, 23, 26, 29, 31, 34, 39, 42, 47, 55, 60, 68, 76, 81, 89, 102, 110, 123, 144, 157, 178, 199, 212, 233, 267, 288, 322, 377, 411, 466, 521, 555, 610, 699, 754, 843, 987
OFFSET
1,2
FORMULA
It appears that this consists of the following numbers: { F_{k}, F_{k} + F_{k-3}, F_{k} + F_{k-2}, F_{2k} + F_{2k-5}, F_{2k+1} - F_{2k-4}, F_{2k+1} + F_{2k-3} }, where F (A000045) are the Fibonacci numbers and k and other subscripts are restricted to positive values.
KEYWORD
nonn,more
AUTHOR
Fred Lunnon, Jun 20 2008
STATUS
approved