A288443 - cp's OEIS frontend

A288443 a(n) = (2n + 1)2^(2n + 1); numbers k such that v(k)2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.

n	a(n)
0	2
1	24
2	160
3	896
4	4608
5	22528
6	106496
7	491520
8	2228224
9	9961472
10	44040192
11	192937984
12	838860800
13	3623878656
14	15569256448
15	66571993088
16	283467841536
17	1202590842880
18	5085241278464
19	21440476741632
20	90159953477632
21	378231999954944
22	1583296743997440
23	6614661952700416
24	27584547717644288
25	114841790497947648

[2, 24, 160, 896, 4608, 22528, 106496, 491520, 2228224, 9961472, 44040192, 192937984, 838860800, 3623878656, 15569256448, 66571993088, 283467841536, 1202590842880, 5085241278464, 21440476741632, 90159953477632, 378231999954944, 1583296743997440, 6614661952700416, 27584547717644288, 114841790497947648]

cp's OEIS Frontend

A288443 a(n) = (2n + 1)2^(2n + 1); numbers k such that v(k)2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.

Table of values

List of values

cp's OEIS Frontend

A288443 a(n) = (2n + 1)*2^(2n + 1); numbers k such that v(k)*2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.

Table of values

List of values

A288443 a(n) = (2n + 1)2^(2n + 1); numbers k such that v(k)2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.