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

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