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A209876 a(n) = 36*n - 6. 0
30, 66, 102, 138, 174, 210, 246, 282, 318, 354, 390, 426, 462, 498, 534, 570, 606, 642, 678, 714, 750, 786, 822, 858, 894, 930, 966, 1002, 1038, 1074, 1110, 1146, 1182, 1218, 1254, 1290, 1326, 1362, 1398, 1434, 1470, 1506, 1542, 1578, 1614, 1650, 1686, 1722, 1758, 1794, 1830, 1866, 1902, 1938, 1974 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

It appears that the sum of divisors of each term is a multiple of 36.  For example, the divisors of a(3)=102 are {1, 2, 3, 6, 17, 34, 51, 102}, with sum 216=6*36.

It also appears that the sum of divisors of each term of {K*n-6} is a multiple of K for K = 72, 144, and 288.

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Cf. A183010.

Sequence in context: A175259 A044132 A044513 * A290145 A157346 A219543

Adjacent sequences:  A209873 A209874 A209875 * A209877 A209878 A209879

KEYWORD

nonn

AUTHOR

John W. Layman, Mar 14 2012

STATUS

approved

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Last modified August 7 04:39 EDT 2020. Contains 336274 sequences. (Running on oeis4.)