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A348409
a(n) is the greatest k such that A307730(k) = n.
12
1, 3, 6, 11, 51, 16, 58, 34, 25, 69, 1384, 45, 1397, 82, 97, 152, 3754, 115, 3773, 223, 135, 1420, 6702, 175, 344, 1445, 202, 251, 6731, 374, 84656, 283, 1479, 3808, 409, 318, 84693, 3845, 1617, 541, 89520, 451, 89563, 1523, 689, 6778, 91878, 589, 500, 1073
OFFSET
1,2
LINKS
FORMULA
a(n) - A348246(n) >= n - 1.
EXAMPLE
For n = 6:
- sequence A307730 starts: 1, 2, 2, 3, 3, 3, 6, 4, 4, 4, 4, 6, 6, 6, 6, 6,
- the sixth occurrence of 6 appears at position 16,
- so a(6) = 16.
PROG
(C) See Links section.
CROSSREFS
Records: A348253, A348254.
Sequence in context: A280259 A119104 A180483 * A348254 A356221 A102253
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Oct 17 2021
STATUS
approved