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 A135557 Consider the primes which are congruent to 2 or 3 modulo 5. List the sum of any consecutive pair if that sum is congruent to 0 modulo 10. 1
 10, 20, 30, 40, 60, 80, 90, 100, 120, 140, 180, 200, 210, 220, 240, 320, 330, 340, 390, 420, 450, 460, 490, 520, 540, 560, 600, 620, 630, 700, 720, 740, 780, 830, 900, 920, 930, 990, 1070, 1120, 1140, 1180, 1200, 1220, 1230, 1260, 1290, 1300, 1350, 1360 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 3+7 == 10; 13+17 == 30; 17+23 == 40; 23+37 == 60; 37+43 == 80;... MATHEMATICA Select[ Plus @@@ Partition[ Select[ Prime@ # & /@ Range@125, Mod[ #, 5] == 2 || Mod[ #, 5] == 3 &], 2, 1], Mod[ #, 10] == 0 &] (* Robert G. Wilson v *) CROSSREFS Cf. A138019, A138018. Sequence in context: A044835 A033007 A127993 * A093037 A187712 A130720 Adjacent sequences:  A135554 A135555 A135556 * A135558 A135559 A135560 KEYWORD easy,nonn AUTHOR Daniele Corradetti (d.corradetti(AT)gmail.com), Feb 28 2008 EXTENSIONS Edited, corrected and extended by Robert G. Wilson v, Feb 29 2008 STATUS approved

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Last modified June 19 01:40 EDT 2013. Contains 226359 sequences.