A342454 - OEIS

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A342454

When A342443(n) is the largest prime < 10^n that is the sum of at least two consecutive primes, a(n) is the first prime of the A342444(n) consecutive primes necessary to obtain A342443(n).

4

2, 29, 191, 1087, 19979, 34337, 34129, 54829, 1665437, 1428571363, 5882352691, 333333333299, 1550560001, 13384757

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

A342439(1) = 2 + 3 = 5 hence a(1) = 2.

A342439(2) = 29 + 31 + 37 = 97 hence a(2) = 29.

CROSSREFS

Cf. A342440, A342441, A342443, A342444, A342453.

Sequence in context: A137625 A132412 A369384 * A009772 A179024 A179025

Adjacent sequences: A342451 A342452 A342453 * A342455 A342456 A342457

KEYWORD

nonn,more

AUTHOR

Bernard Schott, Mar 13 2021

EXTENSIONS

a(5)-a(14) from Jon E. Schoenfield, Mar 14 2021

STATUS

approved