A141704 Indices of records in A141703.

1, 2, 3, 4, 11, 14, 47, 193, 331, 2967, 5557

Offset

1,2

Comments

Based on an idea by Jack Brennen who pointed out that 2221=prime(331) yields the value A141703(331)=29.

No more terms below 50000. The corresponding records are 0, 1, 3, 6, 7, 11, 17, 22, 29, 32, 40, ... - Amiram Eldar, Sep 25 2019

Links

Table of n, a(n) for n=1..11.

Example

The sequence starts 1,2,3,4,... since the first 4 terms in A141703 are not preceded by a value larger or equal to them.
a(5) = 11 since A141703(11)=6 is the next record value.
a(9) = 331 since A141703(331)=29 is the 9th value establishing a (quite long-lasting) record.

Prog

(PARI) m=-1; for(n=1, 10^4, m < A141703(n) & print1(n, " /*", m=A141703(n), "*/, "));

Crossrefs

Cf. A002997 and references therein ; A087788 ; A141702 ff.

Sequence in context: A295721 A171376 A317913 * A061919 A328883 A192613

Adjacent sequences: A141701 A141702 A141703 * A141705 A141706 A141707

Keyword

nonn,more

Author

M. F. Hasler, Jul 01 2008

Extensions

a(10)-a(11) from Amiram Eldar, Sep 25 2019

Status

approved