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 A334142 Indices of twin primes. 0
 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 17, 18, 20, 21, 26, 27, 28, 29, 33, 34, 35, 36, 41, 42, 43, 44, 45, 46, 49, 50, 52, 53, 57, 58, 60, 61, 64, 65, 69, 70, 81, 82, 83, 84, 89, 90, 98, 99, 104, 105, 109, 110, 113, 114, 116, 117, 120, 121, 140, 141, 142, 143, 144, 145, 148, 149 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Eric Weisstein's World of Mathematics, Twin Primes FORMULA a(n) = A000720(A001097(n)). Set union of A029707 and A107770. MAPLE q:= n-> (p-> isprime(p-2) or isprime(p+2))(ithprime(n)): select(q, [\$1..150])[];  # Alois P. Heinz, Apr 15 2020 CROSSREFS Cf. A000720, A001097, A029707, A107770. Sequence in context: A058363 A049810 A132018 * A044919 A011871 A229769 Adjacent sequences:  A334139 A334140 A334141 * A334143 A334144 A334145 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Apr 15 2020 STATUS approved

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Last modified June 14 10:04 EDT 2021. Contains 345025 sequences. (Running on oeis4.)