The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A327261 Numbers not appearing in array A327259 with its first row and column omitted. 5
 1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 14, 15, 17, 19, 21, 22, 25, 27, 28, 29, 31, 35, 37, 38, 39, 44, 45, 46, 47, 49, 51, 55, 57, 61, 62, 65, 67, 69, 71, 75, 76, 79, 81, 86, 87, 89, 91, 92, 94, 97, 99, 101, 105, 107, 109, 115, 117, 118, 119, 121 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS David Lovler, Table of n, a(n) for n = 1..2859 PROG (PARI) T319929(n, k) = if (n%2, if (k%2, n+k-1, k), if (k%2, n, 0)); T(n, k) = 2*n*k - T319929(n, k); \\ A327259 lista(nn) = {my(list = List()); for (n=2, nn, for (k=2, nn\n, listput(list, T(n, k)); ); ); setminus([1..nn], Set(list)); } \\ David Lovler, Apr 30 2021 CROSSREFS Cf. A327259, A327260, A345357. Except for 1, a(n) is the fourth row of array A327263. Sequence in context: A063934 A326643 A222030 * A337133 A062490 A211543 Adjacent sequences:  A327258 A327259 A327260 * A327262 A327263 A327264 KEYWORD nonn,changed AUTHOR David Lovler, Aug 27 2019 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 21 00:57 EDT 2021. Contains 345329 sequences. (Running on oeis4.)