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A225516 Primes corresponding to terms of A225430. 0
7, 13, 5, 19, 11, 31, 17, 37, 43, 23, 29, 61, 67, 73, 79, 41, 47, 97, 103, 53, 109, 59, 127, 139, 71, 151, 157, 163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

It is a result of application of Eratosthenes-like sieve to sequence of odd parts of sums of digits of n^2 which begins 1,1,9,7,7,9,13,5,... .

Conjecture: the sequence is a permutation of all primes > 3.

LINKS

Table of n, a(n) for n=1..28.

CROSSREFS

Cf. A221858, A225017, A225039, A225040, A225093, A225430.

Sequence in context: A285642 A209189 A225091 * A134039 A125741 A103705

Adjacent sequences:  A225513 A225514 A225515 * A225517 A225518 A225519

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, May 09 2013

STATUS

approved

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Last modified July 26 02:10 EDT 2021. Contains 346294 sequences. (Running on oeis4.)