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 A099644 a[n]=Mod[q(n),PrimePi[q(n)]]=Mod[A001359(n), A000720(A001359(n))] where q(n) is the n-th lesser-twin-prime. A004648 restricted to lesser twins. 0
 1, 2, 1, 3, 9, 2, 8, 11, 23, 23, 5, 9, 15, 19, 17, 31, 31, 41, 41, 55, 2, 14, 16, 16, 31, 49, 54, 52, 61, 59, 109, 111, 107, 117, 121, 164, 166, 169, 171, 181, 11, 23, 41, 35, 29, 29, 77, 71, 77, 71, 89, 83, 95, 107, 113, 125, 155, 149, 167, 173, 185, 185, 203, 197, 203, 209 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Sequence display diagram similar to that of A004648. LINKS Table of n, a(n) for n=1..66. EXAMPLE n=9: p(26)=101 is the 9th lesser-twin-prime, a(9)-Mod[p(26),26]=Mod[101,26]=23=a(9). CROSSREFS Cf. A001359, A004648. Sequence in context: A189650 A083782 A076240 * A369446 A058113 A374447 Adjacent sequences: A099641 A099642 A099643 * A099645 A099646 A099647 KEYWORD nonn AUTHOR Labos Elemer, Nov 04 2004 STATUS approved

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Last modified August 7 01:21 EDT 2024. Contains 375002 sequences. (Running on oeis4.)