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A362152
Numbers k such that k and k^2+1 have equal sums of distinct prime divisors.
0
7, 1384230, 1437236, 1770802, 2090663, 4406787, 8493543, 8691863, 11576449, 16147463, 18216983, 22128632, 25156787, 32929141, 43106430, 43768187, 47500230, 50085263, 50497485, 59461592, 66419007, 66507421, 71182692, 95268412, 99848687, 164163693
OFFSET
1,1
COMMENTS
Numbers k such that A008472(k) = A008472(k^2+1).
PROG
(PARI) is_A362152(n) = vecsum(factor(n)[, 1])==vecsum(factor(n^2+1)[, 1]);
CROSSREFS
Sequence in context: A008849 A358812 A076914 * A076915 A051447 A076910
KEYWORD
nonn
AUTHOR
Max Alekseyev, Apr 18 2023
STATUS
approved