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.

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

Offset

0,2

Links

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

Crossrefs

Cf. A085895, A085896, A085898.

Sequence in context: A105044 A026008 A101461 * A361906 A306829 A067798

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