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 A108811 Increasing consecutive prime pairs alternating between form 4k+3 and 4k+1. 1
 7, 11, 13, 17, 19, 23, 37, 41, 43, 47, 89, 97, 103, 107, 109, 113, 127, 131, 193, 197, 199, 211, 229, 233, 307, 311, 313, 317, 359, 367, 389, 397, 439, 443, 449, 457, 463, 467, 509, 521, 619, 631, 661, 673, 683, 691, 701, 709, 719, 727, 757, 761, 823, 827, 853 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..55. EXAMPLE First pair of consecutive primes of form 4k+3 is {7,11}. Next pair of consecutive primes of form 4k+1 is {13,17}. Next pair of consecutive primes of form 4k+3 is {19,23}. CROSSREFS Sequence in context: A304690 A091554 A111980 * A038961 A127903 A271000 Adjacent sequences: A108808 A108809 A108810 * A108812 A108813 A108814 KEYWORD easy,nonn AUTHOR Giovanni Teofilatto, Jul 10 2005 EXTENSIONS Edited, corrected and extended by Ray Chandler, Jul 13 2005 STATUS approved

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Last modified June 8 03:07 EDT 2023. Contains 363157 sequences. (Running on oeis4.)