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 A014735 Squares of odd numbers in triangle of Eulerian numbers that are not 1. 2
 121, 121, 3249, 3249, 1418481, 1418481, 61009, 18429849, 243953161, 243953161, 18429849, 61009, 1026169, 1026169, 23298053769, 23298053769, 16670889, 228743149441, 103788925659225, 103788925659225, 228743149441 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..21. FORMULA a(n) = A014461(n)^2. - Sean A. Irvine, Nov 18 2018 MATHEMATICA A014735 = Select[Select[Flatten[Table[Plus @@ Table[(-1)^k*Binomial[i + 1, k]*(j - k)^i, {k, 0, j}], {i, 1, 15}, {j, 1, i}]], OddQ], # != 1 &]^2 (* Keith Schneider, Jul 03 2007 *) CROSSREFS Cf. A008292, A014461. Sequence in context: A014734 A137517 A364804 * A137850 A262517 A036231 Adjacent sequences: A014732 A014733 A014734 * A014736 A014737 A014738 KEYWORD nonn,easy AUTHOR Mohammad K. Azarian EXTENSIONS More terms from Keith Schneider, Jul 03 2007 STATUS approved

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)