A298044 -id:A298044 - cp's OEIS frontend

A298046 1/4 of the even edge of least 2-adic valuation of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175).

11, 63, 35, 33, 198, 275, 255, 585, 660, 195, 207, 390, 1449, 187, 1575, 1683, 1222, 418, 741, 2457, 2805, 275, 3465, 270, 2574, 2205, 4437, 1518, 3850, 5369, 5940, 1225, 6171, 6426, 3808, 1950, 7695, 1890, 8901, 8976, 9275, 741, 6435, 297, 10395, 4615, 12831, 12870, 13299, 2133, 13570, 7843, 10593, 4901

Offset: 1

Ralf Steiner, Jan 11 2018

nonn

Each primitive 3-simplex (0,b,c,d) with b > c > d is built by 1 odd edge and 2 even edges; the edge that is considered here is the even one with the least 2-adic valuation.

Eric Weisstein's World of Mathematics, Trirectangular Tetrahedron

Cf. A298044, A298047, A031173, A031174, A031175.

A298047 The odd edge of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175).

Original entry on oeis.org

117, 275, 693, 85, 231, 1155, 187, 429, 855, 2475, 2035, 2295, 6325, 195, 1155, 1755, 495, 1575, 9405, 10725, 2925, 12075, 4901, 1881, 11753, 7579, 8789, 16929, 19305, 5643, 4599, 17157, 6435, 935, 26649, 23751, 10725, 35321, 35075, 1105, 2163, 38475, 38571, 39195, 5491, 15939, 51205, 24225, 9405, 57275

Offset: 1

Ralf Steiner, Jan 11 2018

nonn

Each primitive 3-simplex (0,b,c,d) with b > c > d is built by 1 odd edge and 2 even edges; the edge that is considered here is the odd edge.

Eric Weisstein's World of Mathematics, Trirectangular Tetrahedron

Cf. A298044, A298046, A031173, A031174, A031175.

cp's OEIS Frontend

A298046 1/4 of the even edge of least 2-adic valuation of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175).

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