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A087867 n^2-79*n+1601 as n runs through the lucky numbers. 1
1523, 1373, 1097, 971, 743, 641, 383, 251, 113, 83, 47, 53, 131, 173, 593, 797, 911, 1163, 1301, 1601, 2297, 2903, 3581, 4331, 5153, 5741, 7697, 8051, 8783, 9161, 10343, 12473, 14321, 15293, 16811, 17333, 22391, 23603, 24221, 26123, 27431, 29453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

C. Stanley Ogilvy and John T. Anderson, Excursions in Number Theory, Dover. New York: 1988

LINKS

Table of n, a(n) for n=1..42.

EXAMPLE

Using 16th Lucky Number (A000959), 67^2-79*67+1601 returns 797.

PROG

{PARI} q=listcreate(57); listinsert(q, 1, 1); listinsert(q, 3, 2); .. listinsert(q, 303, 57); for(k=1, 57, c=q[k]^2-79*q[k]+1601; write("A087867.txt", c)) - Bill McEachen, May 24 2006

CROSSREFS

Cf. A000959.

Sequence in context: A031756 A226702 A318791 * A073104 A031537 A217387

Adjacent sequences:  A087864 A087865 A087866 * A087868 A087869 A087870

KEYWORD

easy,nonn

AUTHOR

Bill McEachen, Oct 10 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Oct 18 2003

STATUS

approved

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Last modified October 18 17:09 EDT 2021. Contains 348068 sequences. (Running on oeis4.)