A292081 Let b(k) be A056240(k); this sequence lists numbers b(2n) such that for some m > n, b(2m) < b(2n).

35, 65, 95, 115, 161, 155, 217, 185, 215, 235, 329, 265, 371, 305, 427, 335, 365, 511, 395, 415, 581, 445, 623, 1246, 485, 515, 545, 565, 791, 1417, 1243, 1469, 2071, 635, 655, 917, 695, 973, 1507, 1529, 755, 1057, 785, 1099, 815, 835, 1169, 865, 1211, 905, 1267

Offset

1,1

Comments

Subsequence of even argument terms b(2n) of A056240 (listed in order), which do not appear in A288313. - David James Sycamore, Sep 13 2017

Links

Ivan N. Ianakiev, Table of n, a(n) for n = 1..1000

Example

b(12) = 35 is included since b(14) = 33 < 35.
b(28) = 115 is in since b(32) = 87, b(34) = 93, and b(40) = 111 are all less than 115.

Mathematica

a056240=Cases[Import["https://oeis.org/A056240/b056240.txt", "Table"], {_, _}][[All, 2]]; even=Take[a056240, {1, Length[a056240], 2}]; leven=Length[even]; a292081= Select[even, #>Min[Part[even, 1;; Position[even, #][[1, 1]]]]&&#>Min[Part[even, Position[even, #][[1, 1]];; leven]]&] (* Ivan N. Ianakiev, Nov 02 2023 *)

Crossrefs

Cf. A056240, A288813.

Sequence in context: A331378 A331384 A297150 * A162832 A224485 A267330

Adjacent sequences: A292078 A292079 A292080 * A292082 A292083 A292084

Keyword

nonn

Author

David James Sycamore, Sep 12 2017

Status

approved