This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A155169 Triangle sequence:t(n,m)=(2 n - Binomial[n, m] + m! + (-m + n)!). 0
 1, 3, 3, 6, 4, 6, 12, 6, 6, 12, 32, 11, 6, 11, 32, 130, 30, 8, 8, 30, 130, 732, 127, 23, 4, 23, 127, 732, 5054, 728, 115, 9, 9, 115, 728, 5054, 40336, 5049, 710, 86, -6, 86, 710, 5049, 40336, 362898, 40330, 5024, 660, 36, 36, 660, 5024, 40330, 362898, 3628820, 362891 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Row sums are: {1, 6, 16, 36, 92, 336, 1768, 11812, 92356, 817896, 8075024,...}. The middle numbers are t(n,Floor[n/2]): {1, 3, 4, 6, 6, 8, 4, 9, -6, 36, 8,...} LINKS EXAMPLE {1}, {3, 3}, {6, 4, 6}, {12, 6, 6, 12}, {32, 11, 6, 11, 32}, {130, 30, 8, 8, 30, 130}, {732, 127, 23, 4, 23, 127, 732}, {5054, 728, 115, 9, 9, 115, 728, 5054}, {40336, 5049, 710, 86, -6, 86, 710, 5049, 40336}, {362898, 40330, 5024, 660, 36, 36, 660, 5024, 40330, 362898}, {3628820, 362891, 40297, 4946, 554, 8, 554, 4946, 40297, 362891, 3628820} MATHEMATICA Table[Table[ (2 n - Binomial[n, m] + m! + (-m + n)!), {m, 0, n}], {n, 0, 10}]; Flatten[%] CROSSREFS Sequence in context: A257957 A324000 A048149 * A144624 A023827 A199153 Adjacent sequences:  A155166 A155167 A155168 * A155170 A155171 A155172 KEYWORD sign,tabl,uned AUTHOR Roger L. Bagula, Jan 21 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 19 19:03 EDT 2019. Contains 324222 sequences. (Running on oeis4.)