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A085897 Group the natural numbers such that the product of the n-th group is divisible by 2^n . (1), (2) (3,4), (5,6,7,8), (9,10,11,12,13,14,),(15,16,17,18),... Sequence contains the first term of the groups. 3
1, 2, 3, 5, 9, 15, 19, 25, 33, 43, 53, 65, 79, 91, 105, 121, 135, 153, 171, 191, 209, 231, 253, 273, 297, 321, 349, 377, 403, 433, 465, 497, 527, 561, 595, 631, 665, 705, 745, 783, 823, 865, 907, 951, 993, 1035, 1081, 1129, 1177, 1225, 1277, 1325, 1377, 1431 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..53.

CROSSREFS

Cf. A085895, A085896, A085898.

Sequence in context: A105044 A026008 A101461 * A306829 A067798 A205536

Adjacent sequences:  A085894 A085895 A085896 * A085898 A085899 A085900

KEYWORD

nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 10 2003

EXTENSIONS

More terms from Ray Chandler, Sep 13 2003

STATUS

approved

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Last modified August 7 17:44 EDT 2020. Contains 336278 sequences. (Running on oeis4.)