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A367092
Starting values of runs of consecutive numbers in A367090, i.e., minima of gaps in the set of sums of distinct powers of 3 and distinct powers of 4.
1
62, 143, 207, 463, 561, 642, 706, 791, 872, 936, 1487, 1585, 1666, 1730, 1815, 1896, 1960, 2249, 2395, 2650, 2748, 2829, 2893, 2978, 3059, 3123, 3674, 3772, 3853, 3917, 4002, 4083, 4158, 4582, 4657, 4738, 4802, 4887, 4968, 5032, 5583, 5681, 5762, 5826, 5911, 5992, 6056, 6345, 6491
OFFSET
1,1
COMMENTS
Also: terms a(n) of A367090 such that a(n)-1 is not in A367090.
("Consecutive" includes the possibility of having a gap of just one single isolated missing number.)
This sequence together with A367091 (run lengths), provide a "compressed version" of A367090.
LINKS
FORMULA
{ x in A367090 | x-1 is not in A367090 }
EXAMPLE
Sequence A367090 (= numbers that are not the sum of distinct powers of 3 or 4) starts (62, 63, 143, 144, 207, 208, 209, 210, ...), so the first three runs of consecutive terms start at a(1) = 62, a(2) = 143, and a(3) = 207.
PROG
(PARI) A367092_upto(N, A=A367090_upto(N))=[ A[k] | k<-[1..#A], A[k-(k>1)]!=A[k]-1 ])
CROSSREFS
Cf. A367090, A367091; A005836 and A000695 (sums of distinct powers of 3 resp. 4).
Sequence in context: A296026 A107581 A259738 * A044313 A044694 A238138
KEYWORD
nonn
AUTHOR
M. F. Hasler, Nov 08 2023
STATUS
approved