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A172260
a(n) = A172240(n) + A172240(n+1).
0
10, 20, 30, 36, 48, 60, 68, 78, 84, 96, 114, 128, 138, 144, 152, 162, 172, 186, 198, 204, 212, 222, 240, 258, 268, 276, 288, 300, 308, 320, 336, 354, 372, 384, 390, 396
OFFSET
1,1
COMMENTS
For a(n) > 10, a(n) is divisible by 6 except if A172240(n+1) - A172240(n) is equal to 6.
CROSSREFS
Cf. A172240.
Sequence in context: A157938 A095208 A291625 * A300024 A069534 A237416
KEYWORD
nonn,easy
AUTHOR
Giovanni Teofilatto, Nov 20 2010
STATUS
approved