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 A159610 Triangle read by rows, n-th row = n terms of A000255: (1, 3, 11, 53, 309,...); right border = A000166 starting (1, 2, 9, 44, 265,...) 3
 1, 3, 2, 11, 11, 9, 53, 53, 53, 44, 309, 309, 309, 309, 265, 2119, 2119, 2119, 2119, 2119, 1854, 16687, 16687, 16687, 16687, 16687, 14833, 148329, 148329, 148329, 148329, 148329, 148329, 148329, 133496 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Row sums = A002469(n+2), representing the game of mousetrap with n cards; where nonzero terms of A002469 start: (1, 5, 31, 203, 1501,...). A002469(n) = (n-2)*A000255(n-1) + A000166(n). Example 31 = 2*11 + 9 = A002469(4) = 2*A000255(3) + A000166(4). LINKS FORMULA Triangle read by rows, n-th row = n terms of A000255: (1, 3, 11, 53, 309,...); right border = A000166 starting (1, 2, 9, 44, 265,...) EXAMPLE First few rows of the triangle = 1; 3, 2; 11, 11, 9; 53, 53, 53, 44; 309, 309, 309, 309, 265; 2119, 2119, 2119, 2119, 2119, 1854; 16687, 16687, 16687, 16687, 16687, 16687, 14833; ... CROSSREFS Cf. A002469, A000166, A000255 Sequence in context: A072634 A086194 A258386 * A074246 A134426 A122672 Adjacent sequences:  A159607 A159608 A159609 * A159611 A159612 A159613 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Apr 17 2009 STATUS approved

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Last modified September 21 02:46 EDT 2020. Contains 337266 sequences. (Running on oeis4.)