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Floor(n+n^(2/3)).
+10
6
2, 3, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 74
OFFSET
1,1
LINKS
MATHEMATICA
Table[Floor[n + n^(2/3)], {n, 100}] (* Vincenzo Librandi, Feb 18 2013 *)
PROG
(Magma) [Floor(n+n^(2/3)): n in [1..100]]; // Vincenzo Librandi, Feb 18 2013
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Nov 25 2007
STATUS
approved
a(n) = ceiling(n^(4/3) - n).
+10
4
0, 1, 2, 3, 4, 5, 7, 8, 10, 12, 14, 16, 18, 20, 22, 25, 27, 30, 32, 35, 37, 40, 43, 46, 49, 52, 54, 58, 61, 64, 67, 70, 73, 77, 80, 83, 87, 90, 94, 97, 101, 104, 108, 112, 116, 119, 123, 127, 131, 135, 139, 143, 147, 151, 155
OFFSET
1,3
LINKS
MATHEMATICA
Table[Ceiling[n^(4/3) - n], {n, 100}] (* Vincenzo Librandi, Feb 16 2013 *)
PROG
(Magma) [Ceiling(n^(4/3) - n): n in [1..100]]; // Vincenzo Librandi, Feb 16 2013
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Dec 01 2007
EXTENSIONS
Offset corrected by Mohammad K. Azarian, Nov 19 2008
STATUS
approved
a(n) = floor(n^(4/3) - n).
+10
3
0, 0, 1, 2, 3, 4, 6, 8, 9, 11, 13, 15, 17, 19, 21, 24, 26, 29, 31, 34, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 76, 79, 82, 86, 89, 93, 96, 100, 103, 107, 111, 115, 118, 122, 126, 130, 134, 138, 142, 146, 150, 154, 158
OFFSET
1,4
LINKS
MATHEMATICA
Table[Floor[n^(4/3) - n], {n, 100}] (* Vincenzo Librandi, Feb 18 2013 *)
PROG
(Magma) [Floor(n^(4/3)-n): n in [1..100]]; // Vincenzo Librandi, Feb 18 2013
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Dec 01 2007
EXTENSIONS
Offset corrected by Mohammad K. Azarian, Nov 19 2008
STATUS
approved
a(n) = ceiling(n^(4/3)+n).
+10
2
2, 5, 8, 11, 14, 17, 21, 24, 28, 32, 36, 40, 44, 48, 52, 57, 61, 66, 70, 75, 79, 84, 89, 94, 99, 104, 108, 114, 119, 124, 129, 134, 139, 145, 150, 155, 161, 166, 172, 177, 183, 188, 194, 200, 206, 211, 217, 223, 229, 235, 241
OFFSET
1,1
LINKS
MATHEMATICA
Table[Ceiling[n^(4/3) + n], {n, 100}] (* Vincenzo Librandi, Feb 16 2013 *)
PROG
(Magma) [Ceiling(n^(4/3)+n): n in [1..100]]; // Vincenzo Librandi, Feb 16 2013
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Dec 01 2007
STATUS
approved
Floor(n^(4/3)+n).
+10
1
2, 4, 7, 10, 13, 16, 20, 24, 27, 31, 35, 39, 43, 47, 51, 56, 60, 65, 69, 74, 78, 83, 88, 93, 98, 103, 108, 113, 118, 123, 128, 133, 138, 144, 149, 154, 160, 165, 171, 176, 182, 187, 193, 199, 205, 210, 216, 222, 228, 234, 240
OFFSET
1,1
LINKS
MATHEMATICA
Table[Floor[n^(4/3) + n], {n, 100}] (* Vincenzo Librandi, Feb 18 2013 *)
PROG
(Magma) [Floor(n^(4/3)+n): n in [1..100]]; // Vincenzo Librandi, Feb 18 2013
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Dec 01 2007
STATUS
approved

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