

A330361


First occurrence of run of lucky numbers congruent to 3 mod 4 of exactly length n.


3



15, 3, 51, 1563, 211, 1123, 15511, 5487, 37195, 108963, 331527, 1493103, 1103307, 3248367, 46574499, 4814875, 14747343, 222808263, 446500987, 46936231, 228462727, 1003298383, 1705601667
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

a(1) = 15 since 15 is a lucky number congruent to 3 mod 4, following 13 and followed by 21 which are both not congruent to 3 mod 4.
a(2) = 3 since 3 and 7 are 2 consecutive lucky numbers congruent to 3 mod 4, following 1 and followed by 9 which are both not congruent to 3 mod 4.


CROSSREFS



KEYWORD

nonn,more


AUTHOR



EXTENSIONS



STATUS

approved



