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A060031 Katydid sequence: closed under n -> 2n + 2 and 7n + 7. 1

%I #8 Dec 15 2017 17:34:55

%S 1,4,10,14,22,30,35,46,62,72,77,94,105,126,146,156,161,190,212,217,

%T 252,254,294,314,324,329,382,426,436,441,506,510,511,546,590,630,650,

%U 660,665,742,766,854,874,884,889,1014,1022,1024,1029,1094,1099,1134,1182

%N Katydid sequence: closed under n -> 2n + 2 and 7n + 7.

%D C. Pickover, Wonders of Numbers, Chap. 67 Katydid sequences, Oxford University Press, NY 2001, p. 164-165.

%H C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," <a href="http://www.zentralblatt-math.org/zmath/en/search/?q=an:0983.00008&amp;format=complete">Zentralblatt review</a>

%Y Cf. A007319.

%K nonn

%O 1,2

%A _Jason Earls_, Mar 17 2001

%E Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 20 2001

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Last modified April 14 13:30 EDT 2024. Contains 371661 sequences. (Running on oeis4.)