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A337064
a(n) is the index of the first occurrence of n in A337063, or -1 if n never appears.
2
0, 3, 5, 2, 16, 20, 30, 40, 9, 23, 90, 57, 110, 29, 36, 12, 220, 33, 342, 230, 163, 179, 494, 19, 15, 109, 128, 88, 694, 82, 744, 43, 125, 219, 169, 72, 1060, 373, 253, 85, 1205, 113, 1346, 151, 207, 564, 1726, 131, 75, 332
OFFSET
1,2
COMMENTS
419 is the lowest number that does not appear in the first 100000 terms of A337063.
LINKS
EXAMPLE
A337063 starts {1, 1, 4, 2, ...} so a(2) = 3.
PROG
(PARI) See Links section.
CROSSREFS
Cf. A337063, A316774 (adds the two previous terms), A316973 (similar index for the addition sequence).
Sequence in context: A163237 A053979 A130847 * A188815 A010615 A114865
KEYWORD
nonn
AUTHOR
Alex Lauber, Aug 13 2020
STATUS
approved