A124956
Number of base 28 circular n-digit numbers with adjacent digits differing by 2 or less.
Original entry on oeis.org
1, 28, 134, 502, 2202, 9718, 44000, 201628, 933682, 4357222, 20462184, 96587068, 457871484, 2178414292, 10396478562, 49751026042, 238639567362, 1147064158822, 5523799769432, 26644582803412, 128714976934252
Offset: 0
- Ray Chandler, Table of n, a(n) for n = 0..99
- OEIS Wiki, Number of base k circular n-digit numbers with adjacent digits differing by d or less
- Index entries for linear recurrences with constant coefficients, signature (28, -325, 1950, -5726, 2048, 36431, -83710, -39915, 347244, -179931, -699022, 681580, 825120, -1075801, -606254, 967407, 279940, -527440, -79152, 173157, 12824, -32375, -1050, 3045, 36, -108).
A124957
Number of base 29 circular n-digit numbers with adjacent digits differing by 2 or less.
Original entry on oeis.org
1, 29, 139, 521, 2287, 10099, 45751, 209763, 971847, 4537547, 21319129, 100678563, 477482659, 2272723391, 10851284317, 51949675591, 249291056151, 1198762801227, 5775145319281, 27868380808227, 134681613733997
Offset: 0
- Ray Chandler, Table of n, a(n) for n = 0..99
- OEIS Wiki, Number of base k circular n-digit numbers with adjacent digits differing by d or less
- Index entries for linear recurrences with constant coefficients, signature (29, -351, 2223, -7125, 4855, 41169, -116127, -11518, 461660, -394783, -888839, 1297814, 959582, -2082755, -575155, 1998164, 147096, -1203642, 26940, 453526, -29156, -102473, 7707, 12670, -854, -714, 36, 12).
A175197
Array A(k,n) of the number of points of the A_k lattice with maximum infinity norm n, read by antidiagonals.
Original entry on oeis.org
1, 1, 0, 1, 2, 0, 1, 6, 2, 0, 1, 18, 12, 2, 0, 1, 50, 66, 18, 2, 0, 1, 140, 330, 146, 24, 2, 0, 1, 392, 1610, 1070, 258, 30, 2, 0, 1, 1106, 7742, 7580, 2500, 402, 36, 2, 0, 1, 3138, 37058, 52556, 23330, 4850, 578, 42, 2, 0, 1, 8952, 177186, 360402, 212436, 56252, 8350, 786
Offset: 0
A(k,n) starts in row k=0, column n=0 as:
1,....0,......0,.......0,........0,........0,.........0,.........0,.........0
1,....2,......2,.......2,........2,........2,.........2,.........2,.........2
1,....6,.....12,......18,.......24,.......30,........36,........42,........48
1,...18,.....66,.....146,......258,......402,.......578,.......786,......1026
1,...50,....330,....1070,.....2500,.....4850,......8350,.....13230,.....19720
1,..140,...1610,....7580,....23330,....56252,....115850,....213740,....363650
1,..392,...7742,...52556,...212436,...635628,...1564570,...3359440,...6521704
1,.1106,..37058,..360402,..1907458,..7071442,..20784834,..51910994,.114945026
1,.3138,.177186,.2455938,.16973970,.77854566,.273022686,.792717990,2001382932
Comments