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 A073211 Sum of two powers of 11. 5
 2, 12, 22, 122, 132, 242, 1332, 1342, 1452, 2662, 14642, 14652, 14762, 15972, 29282, 161052, 161062, 161172, 162382, 175692, 322102, 1771562, 1771572, 1771682, 1772892, 1786202, 1932612, 3543122, 19487172, 19487182, 19487292, 19488502, 19501812, 19648222, 21258732, 38974342 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS T. D. Noe, Rows n = 0..100 of triangle, flattened FORMULA T(n,m) = 11^n + 11^m, n = 0, 1, 2, 3, ..., m = 0, 1, 2, 3, ... n. Bivariate g.f.: (2 - 12*x)/((1 - x)*(1 - 11*x)*(1 - 11*x*y)). - J. Douglas Morrison, Jul 26 2021 EXAMPLE T(2,0) = 11^2 + 11^0 = 122. Table T(n,m) begins: 2; 12, 22; 122, 132, 242; 1332, 1342, 1452, 2662; 14642, 14652, 14762, 15972, 29282; ... MATHEMATICA t = 11^Range[0, 9]; Select[Union[Flatten[Table[i + j, {i, t}, {j, t}]]], # <= t[[-1]] + 1 &] (* T. D. Noe, Oct 09 2011 *) CROSSREFS Cf. A001020 (powers of 11). Equals twice A073219. Sums of two powers of n: A073423 (0), A007395 (1), A173786 (2), A055235 (3), A055236 (4), A055237 (5), A055257 (6), A055258 (7), A055259 (8), A055260 (9), A052216 (10), A194887 (12), A072390 (13), A055261 (16), A073213 (17), A073214 (19), A073215 (23). Sequence in context: A190642 A108960 A111095 * A233137 A094626 A093378 Adjacent sequences: A073208 A073209 A073210 * A073212 A073213 A073214 KEYWORD easy,nonn,tabl AUTHOR Jeremy Gardiner, Jul 20 2002 STATUS approved

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Last modified February 6 16:43 EST 2023. Contains 360110 sequences. (Running on oeis4.)