A084292 - OEIS

A084292

a(n) = 6n + A054904(n).

110, 77, 38, 104, 74, 161, 87, 111, 94, 159, 122, 142, 374, 209, 178, 206, 206, 253, 326, 302, 206, 302, 471, 249, 519, 341, 346, 303, 354, 481, 542, 377, 2057, 533, 386, 411, 5138, 662, 846, 527, 386, 437, 1034, 519, 794, 689, 626, 493, 566, 629, 873, 527, 638

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OFFSET

1,1

COMMENTS

Composite solutions y to sigma(y-6n) = sigma(y) - 6n. For terms x of A054904, where sigma(x+6n) = sigma(x) + 6n, replacing x+6n = y, x = y-6n, we get sigma(y) - 6n = sigma(y-6n).

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..724

CROSSREFS

Cf. A000203 (sigma), A054904, A084293.

For several analogous sequences such corresponding "mirror-solutions" can be easily constructed. See, e.g., A015913-A015918, A050507, A054799, A054903-A054906, A054982-A054987, A059118, A055009, A055458, A063500, etc.

Sequence in context: A045884 A247391 A110736 * A266849 A278758 A171797

Adjacent sequences: A084289 A084290 A084291 * A084293 A084294 A084295

KEYWORD

nonn

AUTHOR

Labos Elemer, May 26 2003

STATUS

approved