A199477 Right hand diagonal of triangle A199476.

2, 6, 16, 34, 77, 157, 328, 655, 1309, 2550, 4958, 9462, 17970, 33714, 62858, 116088, 213125, 388243, 703243, 1265577, 2265501, 4032724, 7143593, 12591333, 22094399, 38597179, 67149059, 116350178, 200838270, 345396783, 591925179, 1010962984, 1721038512, 2920622315

Offset

2,1

Links

Table of n, a(n) for n=2..35.

XiKun Li, JunLi Li, Bin Liu and CongFeng Qiao, The parametric symmetry and numbers of the entangled class of 2 × M × N system, SCIENCE CHINA PHYSICS, MECHANICS & ASTRONOMY, Volume 54, Number 8, 1471-1475

Crossrefs

Cf. A199476.

Sequence in context: A192706 A248832 A280400 * A330884 A060354 A140131

Adjacent sequences: A199474 A199475 A199476 * A199478 A199479 A199480

Keyword

nonn

Author

N. J. A. Sloane, Nov 06 2011

Status

approved