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 A331072 a(n) = Sum_{k <= n} u_3(k), where u_3 = A034836. 0
 1, 2, 3, 5, 6, 8, 9, 12, 14, 16, 17, 21, 22, 24, 26, 30, 31, 35, 36, 40, 42, 44, 45, 51, 53, 55, 58, 62, 63, 68, 69, 74, 76, 78, 80, 88, 89, 91, 93, 99, 100, 105, 106, 110, 114, 116, 117, 126, 128, 132, 134, 138, 139, 145, 147, 153, 155, 157, 158, 168, 169, 171, 175, 182, 184, 189, 190, 194, 196, 201, 202, 214, 215, 217 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS For background references see A330570. LINKS Table of n, a(n) for n=1..74. CROSSREFS Cf. A034836. A096276 has the same initial terms, but is a different sequence. Sequence in context: A280771 A348195 A280744 * A096276 A239091 A272341 Adjacent sequences: A331069 A331070 A331071 * A331073 A331074 A331075 KEYWORD nonn AUTHOR N. J. A. Sloane, Jan 10 2020 STATUS approved

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Last modified December 9 03:46 EST 2023. Contains 367681 sequences. (Running on oeis4.)