1098240

Appears in sequences

• Number of ways of getting a royal flush, other straight flush, 4 of a kind, full house, other flush, other straight, 3 of a kind, 2 pair, a pair or nothing in 5-card poker.at n=8A002761
• Number of ways of getting nothing, a pair, 2 pair, 3 of a kind, other straight, other flush, full house, 4 of a kind, other straight flush, or a royal flush in 5-card poker.at n=1A002806
• Number of ways of getting a straight flush, 4 of a kind, full house, flush, straight, 3 of a kind, 2 pair, a pair, no pair in poker.at n=7A002847
• a(1) = 2, a(n) = sigma(a(n-1)).at n=17A007497
• a(n) = sigma^n(n), where sigma^n denotes functional iteration.at n=12A090896
• Number of different rectangles when a piece of paper is folded n times in alternate directions.at n=11A096222
• a(n) = sigma() [A000203] applied n times to prime(n).at n=11A101303
• Number of ways in which each hand can be obtained in a game of 5-card poker, starting with the most probable category.at n=1A216076
• a(n) = [x^n] -3/(2*x - 1)^5.at n=9A344564