This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A306923 Sum over all partitions of n into distinct parts of the bitwise AND of the parts. 4
 0, 1, 2, 3, 5, 7, 7, 7, 12, 18, 18, 22, 23, 25, 19, 26, 37, 49, 55, 64, 67, 78, 80, 93, 101, 110, 106, 122, 114, 129, 136, 158, 197, 237, 256, 287, 311, 337, 367, 403, 424, 453, 492, 525, 571, 638, 684, 754, 809, 853, 896, 955, 995, 1075, 1149, 1226, 1295, 1412 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..1000 Wikipedia, Bitwise operation Wikipedia, Commutative property Wikipedia, Identity element Wikipedia, Partition (number theory) Wikipedia, Truth table MAPLE b:= proc(n, i, r) option remember; `if`(i*(i+1)/2 `if`(i b(n\$2, 2^ilog2(2*n)-1): seq(a(n), n=0..57); CROSSREFS Cf. A000009, A066189, A306901, A306924, A306925. Sequence in context: A160102 A318954 A296375 * A137750 A196365 A195882 Adjacent sequences:  A306920 A306921 A306922 * A306924 A306925 A306926 KEYWORD nonn,base AUTHOR Alois P. Heinz, Mar 16 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 October 16 21:10 EDT 2019. Contains 328103 sequences. (Running on oeis4.)