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A277851 Numbers not occurring in A075771 (= q(n) + r(n), with n^2 = prime(n)*q(n) + r(n), 0 <= r(n) < prime(n)). 3
3, 6, 7, 8, 11, 13, 14, 18, 19, 20, 21, 22, 23, 25, 26, 29, 30, 32, 34, 35, 38, 39, 40, 43, 44, 45, 47, 51, 53, 54, 56, 58, 62, 67, 68, 69, 70, 71, 72, 74, 75, 77, 78, 80, 82, 83, 87, 89, 90, 91, 92, 94, 97, 98, 99, 102, 103, 104, 105, 106, 107, 108, 110, 111, 112, 115, 117, 118, 119, 120, 122, 123, 125, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The lower bound A075771(n) >= n^2/prime(n) ensures that a given number can't occur beyond a certain index in that sequence.

LINKS

Table of n, a(n) for n=1..74.

MATHEMATICA

mx = 6300; Take[ Complement[ Range@ mx, Array[Plus @@ IntegerDigits[#^2, Prime[#]] &, mx]], mx/90] (* Robert G. Wilson v, Nov 25 2016 *)

PROG

(PARI) A277851_vec(N, L=N^2\prime(N), A=A075771)=setminus([1..L], Set(vector(N, n, A(n))))

CROSSREFS

Cf. A075771, A277852, A277853, A277854.

Sequence in context: A298980 A206586 A289176 * A047557 A284390 A099850

Adjacent sequences:  A277848 A277849 A277850 * A277852 A277853 A277854

KEYWORD

nonn

AUTHOR

M. F. Hasler, Nov 25 2016

STATUS

approved

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)