|
| |
|
|
A088366
|
|
a(n) = index of the n-th local maximum of A053707.
|
|
1
|
|
|
|
2, 5, 8, 11, 15, 18, 20, 25, 27, 29, 31, 36, 38, 42, 45, 49, 51, 54, 58, 62, 64, 67, 69, 71, 74, 76, 79, 81, 84, 89, 92, 95, 97, 99, 104, 106, 111, 113, 117, 122, 126, 130, 133, 135, 137, 140, 143, 145, 147, 149, 151, 154, 157, 159, 162, 167, 170, 172, 175, 179, 181
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
A053707(a(n)) = A088365(n).
|
|
|
LINKS
|
Table of n, a(n) for n=1..61.
|
|
|
EXAMPLE
|
The fourth local maximum of A053707 is 40 and occurs at index 11, hence a(4) = 11; A053707(a(4)) = A053707(11)) = 40 = A088365(4).
|
|
|
PROG
|
(PARI) {m=1; k=0; for(n=2, 500000, if(matsize(factor(n))[1]==1&&factor(n)[1, 2]>1, d=n-m; if((k<2||b<c)&&(!k<1&&d<=c), print1(k, ", ")); k++; m=n; b=c; c=d))}
|
|
|
CROSSREFS
|
Cf. A025475, A053707, A088365.
Sequence in context: A295624 A284882 A190364 * A257984 A186228 A184747
Adjacent sequences: A088363 A088364 A088365 * A088367 A088368 A088369
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Klaus Brockhaus, Sep 27 2003
|
|
|
STATUS
|
approved
|
| |
|
|
