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A257475
Position of second and last occurrence of n in A256918.
5
2, 6, 9, 12, 8, 14, 30, 17, 20, 28, 123, 23, 201, 32, 25, 39, 300, 46, 825, 43, 34, 125, 946, 51, 27, 203, 47, 52, 3094, 56, 7060, 62, 127, 302, 54, 71, 13528, 827, 205, 61, 28659, 79, 40811, 132, 58, 948, 46658, 65, 81, 99, 304, 210, 57450, 69, 134, 77, 829
OFFSET
1,1
COMMENTS
GCD(A257218(a(n)),A257218(a(n)-1)) = n;
a(n) > A257120(n); a(n) = A257120 + A257478(n).
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 1..72
EXAMPLE
Cf. A257478.
PROG
(Haskell)
a257475 n = f 1 a256918_list where
f i (u:us) = (if u == n then g else f) (i + 1) us
g j (v:vs) = if v == n then j else g (j + 1) vs
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 25 2015
EXTENSIONS
a(38)-a(57) from Hiroaki Yamanouchi, May 03 2015
STATUS
approved